Climate and monthly weather forecastCollierville, TN
Climate and monthly weather forecast
The climate of Collierville
Predominately classified under the Köppen climate classification as Cfa, Collierville, Tennessee, exhibits a humid subtropical climate, showing no dry season and sizable shifts in temperature throughout the year. Moving from the colder months to the warmer season, temperatures see a considerable increase. The lowest temperature lies at 33.4°F (0.8°C) in January, ascending to the highest temperature seen in July and August at around 88.9°F (31.6°C) and 88.3°F (31.3°C) respectively. This substantial range can be attributed to the city's geographical position that furthers its exposure to different types of weather systems.A closer observation into the parameters reveals significant moisture content throughout the year with relative humidity fluctuating around mid-70%. January and December mark the highest level of humidity, respectively 79%, causing the colder air to feel nippier. The city's position exposes it to ample rainfall, with the number of rainy days extending up to 16.3 days in August. With a consistent rhythm of rain, the city sees an average rainfall amount variety from 1.73" (44mm) in September to 3.39" (86mm) in February.
Examining the sunlight exposure, Collierville receives between 4.7 hours and 10.5 hours of sunshine per day. Warmer months, from June to August, provide the most daily sunshine hours, while the cloud cover tends to be more extensive during winter months, reaching its peak at 49% in February. Consequently, the UV index escalates during the summer. Alongside these elements, a constant breeze is observed throughout the year with wind speeds reaching 8.9mph (14.3km/h) in February and dropping to the lowest, 5.2mph (8.4km/h), in July.
The best time to visit Collierville
Evaluating the climatological patterns, an auspicious time to visit Collierville would be between May and June. This season brings about welcoming temperatures ranging from 78.6°F (25.9°C) to 86.9°F (30.5°C), providing an inviting atmosphere for outdoor activities. Moreover, the city basks in a substantial amount of sunshine, up to 10.5 hours per day, allowing for extensive sightseeing opportunities. Simultaneously, the relative humidity remains at a tolerable 75% to 79%, preventing overbearing humidity from hampering the vacation experience.The worst time to visit Collierville
Contrastingly, potential visitors might want to avoid Collierville from December to February. During these months, the city experiences its lowest temperatures, dropping down to 33.4°F (0.8°C) in January. Notably, these are also the months with the highest relative humidity reaching 79%, which can make the cold more biting. This period also sees fewer sunshine hours, around 4.7 to 5 hours daily.Spring weather in Collierville
During spring from March to May, the weather in Collierville stays refreshing and comfortable with temperatures moving from 60.8°F (16°C) to 78.6°F (25.9°C). The spring season brings ample sunshine, brightening up the days for approximately 6.5 to 9.5 hours. However, humidity begins to rise and precipitation levels increase, leading to an average rainfall of 2.72" (69mm) in March up to 2.87" (73mm) in May.Summer weather in Collierville
The summer in Collierville, from June to August, carries the warmest temperatures of the year, peaking at 88.9°F (31.6°C) in July. Although this period experiences the highest temperatures, it also enjoys an ample dosage of sunshine, from 10.3 to 10.5 hours per day. But visitors must prepare for elevated humidity levels that range from 75%, along with consistent rainfall throughout the summer, which averages around 3.03" (77mm) in July.Autumn weather in Collierville
Come autumn, from September to November, Collierville witnesses a gradual decrease in temperatures, starting from 83.3°F (28.5°C) and dropping to 58.8°F (14.9°C) by November. Sunshine hours also reduce from 9.5 to 5.6 per day, while the humidity remains on the lower side as compared to other months. Though the rainfall lessens to its lowest point in November at 1.81" (46mm), it's a comfortable season for visiting or residing.Winter weather in Collierville
When winter sets in from December to February, Collierville experiences temperatures between 50.9°F (10.5°C) and 33.4°F (0.8°C). This period witnesses the shortest daylight hours, averaging from 10.1 to 9.8 hours. Additionally, the relative humidity reaches its peak in December making the chilling air feel colder. Despite the lower temperature, minimal snowfall is observed, around 0.47" (12mm) in December and January, thus suggesting the predominance of rain over snow in this region.Weather in January
January in Collierville, Tennessee, marks the coldest month of the year. The temperatures hover between 33.4°F (0.8°C) at night to 46.9°F (8.3°C) in the daytime. The town also experiences a slightly higher amount of daylight, with a notable increase from the previous winter month. Weather in January »Weather in February
As Collierville transitions from January to February, mild changes in the weather begin to unfold. The biting cold of winter starts to recede with an average high temperature rising to 51.8°F (11°C). A notable characteristic of February weather is its relative dryness, contrasting with the preceding month. Weather in February »Weather in March
Collierville residents welcome the arrival of spring in March. The weather during this month is characterized by a significant rise in average low temperatures from 37°F (2.8°C) to 44.4°F (6.9°C). The daylight increases remarkably, signaling longer and warmer days ahead. Weather in March »Weather in April
April draws an end to snowfall in Collierville and brings in more sunshine hours, increasing to an average of 9.1 hours per day. The thermometer sees a substantial leap as daytime temperatures average at 70.3°F (21.3°C), promising more warmth. Weather in April »Weather in May
In May, the weather in Collierville sees a further increase in temperature, reaching an average high of 78.6°F (25.9°C). The daylight extends even further, inviting the residents to a range of outdoor activities. However, increased rainfall that tops at 2.87" (73mm) can interrupt some of these outdoor plans. Weather in May »Weather in June
June heralds the summer in Collierville, promising more abundant sunshine and lengthier days. The temperatures notch up to an average high of 86.9°F (30.5°C). Rainfall trends downwards, paving the way for clearer skies and fewer cloudy days. Weather in June »Weather in July
July brings with it the peak of summer, hitting the highest average temperatures, with the thermometer touching 88.9°F (31.6°C) during the day. A heightened UV index of 7 necessitates sun protection measures. In terms of rainfall, there is a slight hike compared to June. Weather in July »Weather in August
August observes a continuity of the summer trend with temperatures remaining high, clocking an average of 88.3°F (31.3°C) by day. Collierville gets approximately 10.3 hours of sunshine each day, ensuring a bright climate. Pressure levels remain relatively stable, averaging at 29.97" (761mm). Weather in August »Weather in September
September brings a significant shift in weather in Collierville, Tennessee, as the summer heat subsides. The average high temperature decreases to 83.3°F (28.5°C), bringing relief from the hot summer days. Rainfall decreases to 1.73" (44mm), the lowest within the year. Weather in September »Weather in October
October in Collierville is characterized by more moderate temperatures, decreasing to an average high of 72.1°F (22.3°C) during the day. There is a notable drop in humidity levels compared to September. The city witnesses shorter days and less sunshine, but the cloud coverage remains stable. Weather in October »Weather in November
November marks a substantial shift in Collierville's climate as it opens the winter season. The plunge in temperatures becomes evident, falling to an average high of 58.8°F (14.9°C). The month sees a decrease in sunshine hours, recording an average of 5.6 hours per day. Weather in November »Weather in December
December sees the return of the cold in Collierville with average temperatures falling between 37.8°F (3.2°C) at night and 50.9°F (10.5°C) during the day. The average daylight hours clock the shortest time, coming to approximately 9.8 hours. Weather in December »Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Collierville, January is the month with the lowest recorded average temperatures, measuring a high of 46.9°F (8.3°C) and a low of 33.4°F (0.8°C).
Throughout the year, in Collierville, there are 153.4 rainfall days, and 31.34" (796mm) of precipitation is accumulated.
January through March, November and December are months with snowfall.
The months with the most snowfall are January and February, with an average 0.47" (12mm) of accumulated snow.
Throughout the year, there are 6.8 snowfall days, and 1.93" (49mm) of snow is accumulated.
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
February is the month with the most rainfall. Rain falls for 11.7 days and accumulates 3.39" (86mm) of precipitation.
February has the least sunshine of the year, with an average of 4.7h of sunshine.
March is the most humid month in Collierville, with an average relative humidity of 80%.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
In Collierville, snow does not fall in April through October.
The month with the longest days is June, with an average of 14h and 30min of daylight.
The months with the most sunshine are June and July, with an average of 10.5h of sunshine.
The months with the highest UV index are June through August, with an average maximum UV index of 7.
July stands out as Collierville's warmest month, with an average high-temperature of 88.9°F (31.6°C) and a low-temperature of 71.1°F (21.7°C).
The month with the least rainfall is September, when the rain falls for 12.7 days and typically collects 1.73" (44mm) of precipitation.
October is the least humid month, with an average relative humidity of 70%.
The month with the shortest days is December, with an average of 9h and 48min of daylight.
Average temperature
Collierville, TN
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure
Collierville, TN
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.15"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed
Collierville, TN
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.9mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.5mph - Average wind speed in May:
6.8mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7mph - Average wind speed in November:
7.7mph - Average wind speed in December:
8.1mph
The windiest month (with the highest average wind speed) is February (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity
Collierville, TN
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Collierville, TN
- Average rainfall in January:
1.85" - Average rainfall in February:
3.39" - Average rainfall in March:
2.72" - Average rainfall in April:
3.11" - Average rainfall in May:
2.87" - Average rainfall in June:
2.64"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.76" - Average rainfall in September:
1.73" - Average rainfall in October:
2.24" - Average rainfall in November:
1.81" - Average rainfall in December:
3.19"
The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days
Collierville, TN
- Average rainfall days in January:
10.8 days - Average rainfall days in February:
11.7 days - Average rainfall days in March:
14.3 days - Average rainfall days in April:
12.2 days - Average rainfall days in May:
15.5 days - Average rainfall days in June:
14.4 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
9 days - Average rainfall days in November:
8.8 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall
Collierville, TN
The months with the highest snowfall are January and February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Collierville, TN
- Average snowfall days in January:
2.1 days - Average snowfall days in February:
1.9 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
1.3 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight / Average sunshine
Collierville, TN
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 30min - Average sunshine in April:
9h and 6min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 30min - Average sunshine in October:
6h and 42min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Collierville, TN
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
14 days - Average sunshine days in April:
15.7 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
13.7 days
- Average sunshine days in July:
12.2 days - Average sunshine days in August:
11.7 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
17.2 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (11.7 days).
Average UV index
Collierville, TN
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Collierville, TN
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility
Collierville, TN
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
