Climate and monthly weather forecastWest Valley City, UT
Climate and monthly weather forecast
The climate of West Valley City
Located in the United States, West Valley City, Utah is characterized by a Humid subtropical climate that does not experience a dry season. This is denoted by Köppen's climate classification of Cfa.Following the weather data throughout the year, it is evident that average high temperatures in West Valley City fluctuate from 33.8°F (1°C) in the colder months to a peak of 85.8°F (29.9°C) in the summer. The city's average low temperatures also show a similar pattern, with values transitioning from 20.1°F (-6.6°C) to an annual high of 62.2°F (16.8°C). It is important to note that this city's humid subtropical climate ensures year-round humidity. The relative humidity percentages run from as low as 36% in the middle of summer to as high as 84% during the colder months.
West Valley City does not stay dry for long, with monthly average rainfall levels ranging from 0.35" (9mm) in the driest months to a maximum of 1.61" (41mm). The frequency of rainfall also sees wide variation, from an average of 4.6 days in the driest month to 12.2 in the wettest month. With respect to snowfall, the city experiences significant snow, with the heaviest accumulation from 7.28" (185mm) occurring in December.
Monthly daylight and sunshine hours are important factors in the city's climate. The city's daylight hours fluctuate from 9.3 to 15.1 hours, with the longest days observed in summer. Monthly sunshine hours range from 5.6 hours to nearly 12 hours in the sunniest month.
The best time to visit West Valley City
The best time to visit West Valley City would ideally be when the weather is pleasant and outdoor activities can be fully enjoyed. Therefore, the ideal period to visit would be in the months where average temperatures range between 54°F (12.2°C) and 64°F (17.8°C), particularly in May when the city experiences longer daylight hours of 14.5 hours, and has the lowest rainfall, averaging at 0.75" (19mm).The worst time to visit West Valley City
Overall, the least favorable time to visit West Valley City would be in the winter months of December through February. During these months, average high temperatures linger below freezing and snowfall is frequent. Specifically, in December, snowfall can reach up to 7.28" (185mm), coupled with an average high temperature of just 34.2°F (1.2°C), making outdoor activities less enjoyable.Spring weather in West Valley City
During spring, West Valley City sees a much-needed rise in temperatures from the cold winter months. Average high temperatures transition from 46.9°F (8.3°C) in March to 64°F (17.8°C) in May. This season is relatively dry, with an average rainfall of only 1.42" (36mm) in March and April, reducing to 0.75" (19mm) by May. The onset of springtime also brings longer daylight hours (from 12 hours in March to 14.5 hours in May) and an increased UV index indicative of the intensity of the sun’s harmful rays.Summer weather in West Valley City
Summers in West Valley City are warm, with average high temperatures soaring to 76.6°F (24.8°C) in June, reaching its peak in July at an average of 85.8°F (29.9°C). This season also experiences the longest daylight hours (as much as 15.1 hours in June), contributing towards the city's climbing temperatures. However, this period is also the driest with 0.35" (9mm) of rainfall in June, eventually seeing an increase in late summer in August to 0.51" (13mm).Autumn weather in West Valley City
Autumn sees a drop in temperatures, as the highs lower from 74.1°F (23.4°C) in September to 46.2°F (7.9°C) by November. Rainfall also takes an upward turn from 0.79" (20mm) in September to 0.94" (24mm) by November. Autumn brings less daylight than summer, with daylight hours decreasing from 12.4 hours in September to 9.9 hours in November. Despite the decline, this period still enjoys an average of 6.8 hours of sunshine in November.Winter weather in West Valley City
Winter in West Valley City recounts particularly cold temperatures, as the mercury drops dramatically. December begins with an average high temperature of 34.2°F (1.2°C), which minimally fluctuates through the winter months. The city also witnesses heavy snowfall with an impressive 8.15" (207mm) in December. With the days becoming significantly shorter, sunshine hours decrease to 6 hours and daylight length shortens to a mere 9.3 hours in December.Weather in January
January is the coldest month in West Valley City, with temperatures slightly rising in the afternoon to a brisk 33.8°F (1°C) from a chilly 20.1°F (-6.6°C) in the early morning. The weather is predominantly cloudy, reflecting the increased humidity levels and the relatively high amount of snowfall. Weather in January »Weather in February
A slight shift can be discerned from January as February brings a light increase in temperatures across West Valley City. The local weather is marked by extended daylight hours compared to the previous month, resulting in more opportunities to experience the diverse outdoor activities the city offers. Weather in February »Weather in March
By March, the weather begins to warm significantly, signaling the arrival of spring in West Valley City. The city experiences less snowfall this month, which contributes to increased visibility on the roads and better conditions for outdoor activities. Weather in March »Weather in April
April continues the warming trend with highs around 54°F (12.2°C), a welcome relief from the chill of winter. This month brings more rain than March, totaling 1.42" (36mm), but also offers an increase in sunshine hours. Transitioning from spring to early summer, April is an active month in West Valley City. Weather in April »Weather in May
As West Valley City moves into the heart of spring, May sees a substantial drop in rainfall to 0.75" (19mm), making this month one of the driest of the year. With warmer temperatures from 44.2°F (6.8°C) to 64°F (17.8°C), the city basks in a pleasant, summer-like atmosphere. Weather in May »Weather in June
June announces the arrival of summer in West Valley City. During this month, the city is bathed in over 11.9 hours of sunshine, coupled with warm temperatures peaking at 76.6°F (24.8°C). Humidity levels continue to decline in June, reaching a year-low, which provokes a refreshing break from the previous damp months. Weather in June »Weather in July
July is the hottest month of the year in West Valley City, with temperatures surging to their peak of 85.8°F (29.9°C). Despite the heat, the city enjoys an average of just 0.47" (12mm) of rainfall and plenty of sunshine. With longer daylight hours and dry conditions, July offers optimum conditions for enjoying outdoor activities like hiking or cycling. Weather in July »Weather in August
August weather in West Valley City continues to be hot but starts to slowly cool as the month progresses. The city sees a minor increase in rainfall but retains the summer's high sunshine hours and longer daylight. This month is ideal for those who appreciate the warmth but prefer slightly milder temperatures. Weather in August »Weather in September
September signals a transition from hot summer days to the cooler conditions of fall in West Valley City. With an average temperature between 52.9°F (11.6°C) and 74.1°F (23.4°C), the weather becomes more comfortable for outdoor activities. Weather in September »Weather in October
The weather in West Valley City in October invokes a true autumnal feel as temperatures start to dip, the days shorten, and leaves begin to change color. As winter approaches, the city witnesses its first signs of snow towards the end of October. Weather in October »Weather in November
November sees a significant shift in West Valley City's weather with the onset of the winter season. The city experiences a drop in average temperatures and a rise in the number of snowfall days from zero days in October to 4 days in November. Weather in November »Weather in December
December in West Valley City continues the trend of falling temperatures, fewer daylight hours, and ample snowfall of 7.28" (185mm). This snowy weather adds a festive touch to the city, perfect for holiday celebrations and winter sports. Weather in December »Updated: Feb 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
January, with its high-temperature average of 33.8°F (1°C) and a low-temperature average of 20.1°F (-6.6°C), is the coldest month.
The most humid month is January, with an average relative humidity of 84%.
In West Valley City, during the entire year, the rain falls for 96.6 days and collects up to 12.13" (308mm) of precipitation.
Months with snowfall in West Valley City are January through April, October through December.
January is the month with the most snowfall in West Valley City, Utah. Snow falls for 11 days and accumulates 8.15" (207mm) of snow.
In West Valley City, during the entire year, snow falls for 44.4 days and aggregates up to 31.42" (798mm) of snow.
With an average of 5.6h of sunshine, January has the least sunshine of the year.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in West Valley City, Utah, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
May through September are months without snowfall.
June is the month with the least rainfall. Rain falls for 4.6 days and accumulates 0.35" (9mm) of precipitation.
With an average of 15h and 0min of daylight, June has the longest days of the year.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
West Valley City's warmest temperatures are experienced in July, with average high temperatures of 85.8°F (29.9°C) and lows of 62.2°F (16.8°C).
July is the least humid month in West Valley City, Utah, with an average relative humidity of 36%.
August has the most sunshine of the year in West Valley City, with an average of 12h of sunshine.
The month with the most rainfall in West Valley City, Utah, is December, when the rain falls for 9 days and typically aggregates up to 1.61" (41mm) of precipitation.
With an average of 9h and 18min of daylight, December has the shortest days of the year in West Valley City, Utah.
Average temperature
West Valley City, UT
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (33.8°F).
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure
West Valley City, UT
- Average pressure in January:
30.28"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.89"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.22"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
West Valley City, UT
- Average wind speed in January:
5.1mph - Average wind speed in February:
6.3mph - Average wind speed in March:
6.7mph - Average wind speed in April:
6.6mph - Average wind speed in May:
5.8mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
6mph - Average wind speed in August:
6.1mph - Average wind speed in September:
5.9mph - Average wind speed in October:
5.8mph - Average wind speed in November:
6mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is March (6.7mph).
The calmest month (with the lowest average wind speed) is January (5.1mph).
Average humidity
West Valley City, UT
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is July (36%).
Average rainfall
West Valley City, UT
- Average rainfall in January:
1.46" - Average rainfall in February:
1.46" - Average rainfall in March:
1.42" - Average rainfall in April:
1.42" - Average rainfall in May:
0.75" - Average rainfall in June:
0.35"
- Average rainfall in July:
0.47" - Average rainfall in August:
0.51" - Average rainfall in September:
0.79" - Average rainfall in October:
0.94" - Average rainfall in November:
0.94" - Average rainfall in December:
1.61"
The wettest month (with the highest rainfall) is December (1.61").
The driest month (with the least rainfall) is June (0.35").
Average rainfall days
West Valley City, UT
- Average rainfall days in January:
7.2 days - Average rainfall days in February:
8.7 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
12.2 days - Average rainfall days in May:
9.3 days - Average rainfall days in June:
4.6 days
- Average rainfall days in July:
6.4 days - Average rainfall days in August:
6.3 days - Average rainfall days in September:
7.2 days - Average rainfall days in October:
7.6 days - Average rainfall days in November:
6.8 days - Average rainfall days in December:
9 days
The month with the highest number of rainy days is April (12.2 days).
The month with the least rainy days is June (4.6 days).
Average snowfall
West Valley City, UT
The month with the highest snowfall is January (8.15").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
West Valley City, UT
- Average snowfall days in January:
11 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
5.7 days - Average snowfall days in April:
3.2 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:
1 days - Average snowfall days in November:
4 days - Average snowfall days in December:
10 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
West Valley City, UT
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
5h and 36min - Average sunshine in February:
6h and 54min - Average sunshine in March:
8h and 18min - Average sunshine in April:
10h and 6min - Average sunshine in May:
11h and 12min - Average sunshine in June:
11h and 54min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 0min - Average sunshine in October:
7h and 42min - Average sunshine in November:
6h and 48min - Average sunshine in December:
6h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days
West Valley City, UT
- Average sunshine days in January:
17.5 days - Average sunshine days in February:
13.6 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
20.4 days - Average sunshine days in June:
23.6 days
- Average sunshine days in July:
21.9 days - Average sunshine days in August:
21.6 days - Average sunshine days in September:
20.2 days - Average sunshine days in October:
21.2 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
16.6 days
The month with the most sunshine days is June (23.6 days).
The month with the least sunshine days is February (13.6 days).
Average UV index
West Valley City, UT
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
West Valley City, UT
The months with the most cloud cover are January and February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility
West Valley City, UT
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).
