Climate and monthly weather forecastTroy, MI
Climate and monthly weather forecast
The climate of Troy
Situated in Michigan, USA, Troy experiences a Dfb or Humid Continental climate, according to the Köppen Climate Classification. This signifies a lack of dry season, with warm summers and often cold winters. Shifts in weather conditions throughout the year are fairly predictable, with marked seasonal changes.Throughout the year, temperature swings from lows of 18°F (-7.8°C) in January and February to highs nearing 80.6°F (27°C) in July. This indicates a typical pattern of cold winters and warm summers. Rainfall measures slightly vary, ranging from just 0.87" (22mm) in December to 2.17" (55mm) in May. Months with the highest relative humidity are January and February with 85%, while the least humid months being the majority of the spring and summer months, at 74%.
It is worthwhile to note that snowfall occurs chiefly between December and February, with 13.7 snowfall days in January, while in July and August events are virtually non-existent.
The Best Time to Visit Troy
When considering factors such as mild temperatures, low rain, and long sunny days, June through August make the most favourable time to visit Troy. During these months, temperatures remain consistent, with highs between 66.9°F (19.4°C) to 80.6°F (27°C) and lows between 57.7°F (14.3°C) to 63.5°F (17.5°C). Rainfall measurements show this period to be not particularly dry, varying from 1.69" (43mm) to 1.73" (44mm). However, these months offer the most sunshine, averaging from 10.1 hours to 10.5 hours per day.The Worst Time to Visit Troy
For visitors who prefer avoiding particularly cold conditions, January and February should be bypassed. During these months, temperatures dip to 18°F (-7.8°C), even though the highest temperatures oscillate around 28°F (-2.2°C) to 31.1°F (-0.5°C). Additionally, it is the period with the most days of snowfall, over 12 days per month on average.Spring Weather in Troy
Spring ushers in warmer weather to Troy after a chilly winter, with temperatures escalating from a low of 28°F (-2.2°C) in March to a high reaching 66.9°F (19.4°C) in May. This transition to warmer months faces a surge in rainfall peaking at 2.17" (55mm) in May. Sunshine hours also increase, reaching 8.7 hours per day in May.Summer Weather in Troy
Between June and August, Troy experiences its highest temperatures. Maximum temperatures achieve 80.6°F (27°C) in July, while minimum nighttime temperatures stay between 57.7°F (14.3°C) to 63.5°F (17.5°C). Despite this, the summer months witness comparatively less rainfall, ranging from 1.69" (43mm) to 1.73" (44mm). Sunlight is abundant, with daylight ranging from 14.9 hours to 15.3 hours, and sunshine hours hovering around 10 per day.Autumn Weather in Troy
Autumn brings on more temperate weather from September to November. Temperatures start to fall from a maximum of 72.1°F (22.3°C) in September to a low of 34.2°F (1.2°C) come November. While rainfall decreases to 1.1" (28mm) by November, a gradual increase in cloud cover and lower sunshine hours, down to 4.7 in November, herald the arrival of cooler times.Winter Weather in Troy
Troy’s winter months, December through February, demonstrate a cold climate. January and February present the coldest averages, with temperatures remaining between 18°F (-7.8°C) up to 31.1°F (-0.5°C) as the highest. Snow is a common feature with the snowfall peak of 3.19" (81mm) in February, making these months not ideal for visitors desiring mild weather.Weather in January
Troy, Michigan weather in January presents one of the coldest periods of the year. Snowfall is the norm with an average of 2.68" (68mm) - January possessing one of the highest rates of snowy days. The high relative humidity of 85% results in a distinctive wind chill, causing temperatures to feel cooler than they actually are. Weather in January »Weather in February
February follows January's trend, with a slight increase in temperature yet retaining the cold ambiance of winter. The monthly snowfall slightly rises to 3.19" (81mm), alongside slightly longer daylight hours. Despite the cold, the number of snowy days decreases compared to January, hinting at the approaching spring. Weather in February »Weather in March
In March, a hint of spring breathes mild air into Troy's weather. A notable rise in temperature is apparent, with less snowfall at 0.91" (23mm) and an increase in rainfall. Signs of thawing become clearer as the snowfall rate drops dramatically. Weather in March »Weather in April
April in Troy, Michigan, unveils a substantial change in weather conditions. The temperature continues to escalate while snowfall dwindles further to a mere 0.67" (17mm). The city's green landscape starts to thrive, aided by increased rainfall. Weather in April »Weather in May
May in Troy manifests a complete transformation from its winter demeanor, unveiling Michigan's pleasant spring. With warmer temperatures, the snowfall drops to a neglected 0.39" (10mm). This month radiates sunshine with more hours of higher UV index ratings. Weather in May »Weather in June
June ushers in the beginning of summer in Troy. A significant change is a complete lack of snowfall. With the highest UV index for the year coupled with temperature highs, longer daylight hours and increased sunshine spell out perfect conditions for outdoor activities. Weather in June »Weather in July
July is the peak of summer in Troy with its highest temperature - a high of 80.6°F (27°C) and low of 63.5°F (17.5°C). It’s the hottest month of the year with longer daylight hours and sustained sunshine. The city pulsates with life as July heat encourages outdoor activities, picnics, and barbecues. Weather in July »Weather in August
August carries forward the hot summer weather from July in Troy. The temperature remains quite similar and constant to the previous month. Yet, the minor decrease in temperature accompanied by fewer daylight hours hints at the approaching fall. Weather in August »Weather in September
September in Troy signifies the transition from hot summer days to cooler autumn nights. With no snowfall, the focus is on the changing colors of the city's foliage. The decrease in daylight hours and cooling temperatures suggests the end of summer, making way for fall. Weather in September »Weather in October
October brings noticeable changes to Troy's weather. The drop in temperatures signifies the city's full transition into the fall season. Leaf-peeping becomes a popular activity as the city gets covered by a colorful quilt of autumn leaves. Weather in October »Weather in November
November in Troy is markedly cooler, hinting at the incoming winter. The first snowflakes of the season may be observed with a snowfall rise to 1.3" (33mm). This month experiences the least hours of daylight, causing temperatures to drop consistently. Weather in November »Weather in December
December confirms the onset of winter in Troy, Michigan. Average minimum temperatures drop to 26.2°F (-3.2°C), and snowfall increases to 1.38" (35mm). The shortened daylight hours and the increased cloud cover contribute to December's chill. Weather in December »Updated: Feb 12, 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
Troy's January weather, marked by an average high temperature of 28°F (-2.2°C) and an average low temperature of 18°F (-7.8°C), is the coldest in the year.
The months with the highest humidity are January and February, with an average relative humidity of 85%.
In Troy, during the entire year, the rain falls for 136 days and collects up to 16.57" (421mm) of precipitation.
January through May, October through December are months with snowfall in Troy, Michigan.
Throughout the year, there are 52.3 snowfall days, and 10.59" (269mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 3.1h of sunshine.
February is the month with the least rainfall. Rain falls for 5.4 days and accumulates 0.83" (21mm) of precipitation.
The month with the most snowfall is February, when snow falls for 12.3 days and typically aggregates up to 3.19" (81mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Troy, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April, July and August, with an average relative humidity of 74%, are the least humid months in Troy, Michigan.
May is the month with the most rainfall in Troy. Rain falls for 16.3 days and accumulates 2.17" (55mm) of precipitation.
In Troy, Michigan, snow does not fall in June through September.
The month with the longest days in Troy is June, with an average of 15h and 18min of daylight.
With an average high-temperature of 80.6°F (27°C) and an average low-temperature of 63.5°F (17.5°C), July is the warmest month.
With an average of 10.5h of sunshine, July has the most sunshine of the year.
July is the month with the highest UV index, with an average maximum UV index of 6.
With an average of 9h and 6min of daylight, December has the shortest days of the year in Troy, Michigan.
December is the month with the lowest UV index in Troy, Michigan, with an average maximum UV index of 1.
Average temperature
Troy, MI
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28°F).
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Troy, MI
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.07"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Troy, MI
- Average wind speed in January:
10mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.4mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity
Troy, MI
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall
Troy, MI
- Average rainfall in January:
0.94" - Average rainfall in February:
0.83" - Average rainfall in March:
1.1" - Average rainfall in April:
1.93" - Average rainfall in May:
2.17" - Average rainfall in June:
1.69"
- Average rainfall in July:
1.73" - Average rainfall in August:
1.57" - Average rainfall in September:
1.38" - Average rainfall in October:
1.26" - Average rainfall in November:
1.1" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days
Troy, MI
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.4 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
16.3 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
15.8 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
12.6 days - Average rainfall days in October:
12 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall
Troy, MI
- Average snowfall in January:
2.68" - Average snowfall in February:
3.19" - Average snowfall in March:
0.91" - Average snowfall in April:
0.67" - Average snowfall in May:
0.39" - Average snowfall in June:
0"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Troy, MI
- Average snowfall days in January:
13.7 days - Average snowfall days in February:
12.3 days - Average snowfall days in March:
7.3 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.2 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:
0.2 days - Average snowfall days in November:
5.1 days - Average snowfall days in December:
11.2 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Troy, MI
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 18min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January:
3h and 6min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 6min - Average sunshine in May:
8h and 42min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 6min - Average sunshine in October:
5h and 36min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days
Troy, MI
- Average sunshine days in January:
14.1 days - Average sunshine days in February:
12.4 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
12.4 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
16.9 days - Average sunshine days in November:
17 days - Average sunshine days in December:
15.4 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (12.3 days).
Average UV index
Troy, MI
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Troy, MI
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Troy, MI
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
