Climate and monthly weather forecastSun Valley, NV
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Sun Valley, Nevada, with an average temperature varying between 24.4°F (-4.2°C) and 39.7°F (4.3°C). The average high-temperature during January is a still wintry 39.7°F (4.3°C), almost matching the conditions of the preceding month. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Sun Valley, Nevada, with an average temperature fluctuating between 25.5°F (-3.6°C) and 41.7°F (5.4°C). Sun Valley ushers in February with an average high-temperature of a still wintry 41.7°F (5.4°C), showing a close resemblance to the previous month. Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Sun Valley, Nevada, with an average temperature ranging between max 46.8°F (8.2°C) and min 30°F (-1.1°C). March experiences an average high-temperature of a chilly 46.8°F (8.2°C), barely different from February's 41.7°F (5.4°C). Weather in March »Weather in April
April is a fresh spring month in Sun Valley, Nevada, with an average temperature fluctuating between 35.1°F (1.7°C) and 54.5°F (12.5°C). The shift into April is characterized by a subtle rise in the average high-temperature, transitioning from March's chilly 46.8°F (8.2°C) to a fresh 54.5°F (12.5°C). Weather in April »Weather in May
May, the last month of the spring in Sun Valley, is a comfortable month, with an average temperature varying between 63.7°F (17.6°C) and 41.7°F (5.4°C). As Sun Valley, Nevada, transitions into May, the average high-temperature shows a change, moving from a fresh 54.5°F (12.5°C) in April to an enjoyable 63.7°F (17.6°C). Weather in May »Weather in June
June, the first month of the summer in Sun Valley, is a moderately hot month, with an average temperature ranging between min 49.6°F (9.8°C) and max 75.7°F (24.3°C). A shift in the average high-temperature is noticeable in June, changing from an enjoyable 63.7°F (17.6°C) in May to a moderately hot 75.7°F (24.3°C). Weather in June »Weather in July
July, like June, in Sun Valley, Nevada, is another warm summer month, with an average temperature varying between 85.5°F (29.7°C) and 57.2°F (14°C). The warmest temperatures occur during July, when averages reach a peak of 85.5°F (29.7°C) and a low of 57.2°F (14°C). Weather in July »Weather in August
August, the last month of the summer in Sun Valley, is another warm month, with an average temperature varying between 82.9°F (28.3°C) and 56.3°F (13.5°C). Sun Valley's August reports an average high-temperature of a still warm 82.9°F (28.3°C), exhibiting a minor difference from July. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Sun Valley, Nevada, with an average temperature fluctuating between 74.8°F (23.8°C) and 49.8°F (9.9°C). Sun Valley's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 82.9°F (28.3°C) to a still moderately hot 74.8°F (23.8°C). Weather in September »Weather in October
October, like September, is a moderate autumn month in Sun Valley, Nevada, with an average temperature fluctuating between 60.6°F (15.9°C) and 39.9°F (4.4°C). During the transition into October, Sun Valley observes a decrease in the average high-temperature, falling from a warm 74.8°F (23.8°C) in September to a mild 60.6°F (15.9°C). Weather in October »Weather in November
November, the last month of the autumn in Sun Valley, is also a frosty month, with temperature in the range of an average high of 48.4°F (9.1°C) and an average low of 30.4°F (-0.9°C). The shift from October to November involves a decrease in the average high-temperature, from a moderate 60.6°F (15.9°C) to a chilly 48.4°F (9.1°C). Weather in November »Weather in December
December, the first month of the winter in Sun Valley, is also an icy month, with an average temperature ranging between min 23.4°F (-4.8°C) and max 37.8°F (3.2°C). The coldest month is December, with an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 23.4°F (-4.8°C). Weather in December »Updated: Aug 24, 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
The most humid month is January, with an average relative humidity of 73%.
In Sun Valley, during the entire year, the rain falls for 68 days and collects up to 8.07" (205mm) of precipitation.
January through May, September through December are months with snowfall.
In Sun Valley, during the entire year, snow falls for 33.2 days and aggregates up to 23.62" (600mm) of snow.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
February is the month with the most rainfall. Rain falls for 6.5 days and accumulates 1.38" (35mm) of precipitation.
The month with the most snowfall is February, when snow falls for 6.6 days and typically aggregates up to 6.06" (154mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.
In Sun Valley, snow does not fall in June through August.
The month with the longest days is June, with an average of 14h and 54min of daylight.
June and July, with an average maximum UV index of 6, are months with the highest UV index.
The temperatures in Sun Valley reach their highest averages in July, with highs of 85.5°F (29.7°C) and lows of 57.2°F (14°C).
The months with the lowest humidity are July and August, with an average relative humidity of 28%.
July and August are months with the least rain when the rain falls for 2.4 days and typically aggregates up to 0.08" (2mm) of rain.
July has the most sunshine of the year, with an average of 12.2h of sunshine.
During the coldest month in Sun Valley, December, temperatures average a high of 37.8°F (3.2°C) and a low of 23.4°F (-4.8°C).
With an average of 9h and 24min of daylight, December has the shortest days of the year.
The month with the least sunshine is December, with an average of 6.1h of sunshine.
Average temperature
Sun Valley, NV
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (37.8°F).
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is December (23.4°F).
Average pressure
Sun Valley, NV
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Sun Valley, NV
- Average wind speed in January:
4.9mph - Average wind speed in February:
5.9mph - Average wind speed in March:
7mph - Average wind speed in April:
7.3mph - Average wind speed in May:
7mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.7mph - Average wind speed in September:
5.7mph - Average wind speed in October:
5.5mph - Average wind speed in November:
5.3mph - Average wind speed in December:
5.3mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).
Average humidity
Sun Valley, NV
The month with the highest relative humidity is January (73%).
The months with the lowest relative humidity are July and August (28%).
Average rainfall
Sun Valley, NV
- Average rainfall in January:
1.18" - Average rainfall in February:
1.38" - Average rainfall in March:
1.34" - Average rainfall in April:
0.63" - Average rainfall in May:
0.75" - Average rainfall in June:
0.16"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.16" - Average rainfall in October:
0.43" - Average rainfall in November:
0.59" - Average rainfall in December:
1.3"
The wettest month (with the highest rainfall) is February (1.38").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days
Sun Valley, NV
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
6.5 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
8.5 days - Average rainfall days in May:
8.4 days - Average rainfall days in June:
2.2 days
- Average rainfall days in July:
2.4 days - Average rainfall days in August:
1.8 days - Average rainfall days in September:
2.5 days - Average rainfall days in October:
3.7 days - Average rainfall days in November:
5.1 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is March (11.2 days).
The month with the least rainy days is August (1.8 days).
Average snowfall
Sun Valley, NV
- Average snowfall in January:
4.02" - Average snowfall in February:
6.06" - Average snowfall in March:
5.63" - Average snowfall in April:
1.06" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Sun Valley, NV
- Average snowfall days in January:
6.2 days - Average snowfall days in February:
6.6 days - Average snowfall days in March:
6.4 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.3 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:
0.2 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
3.2 days - Average snowfall days in December:
7.8 days
The month with the highest number of snowfall days is December (7.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Sun Valley, NV
- Average daylight in January:
9h and 48min - 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 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - 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:
10h and 0min - Average daylight in December:
9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
6h and 18min - Average sunshine in February:
6h and 36min - Average sunshine in March:
8h and 42min - Average sunshine in April:
10h and 54min - Average sunshine in May:
11h and 24min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 12min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 6min - Average sunshine in October:
7h and 42min - Average sunshine in November:
7h and 6min - Average sunshine in December:
6h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days
Sun Valley, NV
- Average sunshine days in January:
19.5 days - Average sunshine days in February:
16.9 days - Average sunshine days in March:
15.9 days - Average sunshine days in April:
18.5 days - Average sunshine days in May:
20.8 days - Average sunshine days in June:
26.8 days
- Average sunshine days in July:
27.9 days - Average sunshine days in August:
28.2 days - Average sunshine days in September:
26.9 days - Average sunshine days in October:
26.7 days - Average sunshine days in November:
22.1 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is August (28.2 days).
The month with the least sunshine days is March (15.9 days).
Average UV index
Sun Valley, NV
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Sun Valley, NV
The month with the most cloud cover is December (Cloud cover 33).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility
Sun Valley, NV
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).
