Climate and monthly weather forecastWillow Creek, CA
Climate and monthly weather forecast
Weather in January
January, like December, in Willow Creek, California, is a cool winter month, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 43.2°F (6.2°C). January's onset sees an average high-temperature of a still fresh 53.8°F (12.1°C), exhibiting a slight fluctuation from the previous month. Weather in January »Weather in February
The last month of the winter, February, is also a fresh month in Willow Creek, California, with an average temperature ranging between min 41.7°F (5.4°C) and max 53.1°F (11.7°C). February's weather records an average high-temperature of a still cool 53.1°F (11.7°C), showing little deviation from January. Weather in February »Weather in March
March, the first month of the spring in Willow Creek, is still a cool month, with an average temperature fluctuating between 42.3°F (5.7°C) and 53.2°F (11.8°C). The transition from February to March brings an average high-temperature of a still fresh 53.2°F (11.8°C), barely different from February's 53.1°F (11.7°C). Weather in March »Weather in April
April in Willow Creek, California, is a refreshing spring month, with an average temperature ranging between min 43.5°F (6.4°C) and max 56.1°F (13.4°C). Willow Creek signifies an average high-temperature of a moderate 56.1°F (13.4°C) in April, closely mirroring the 53.2°F (11.8°C) of March. Weather in April »Weather in May
May, the last month of the spring in Willow Creek, is another mild month, with an average temperature fluctuating between 45.9°F (7.7°C) and 60.1°F (15.6°C). In May, Willow Creek experiences a minor shift in meteorological conditions with average high-temperatures marked at a still refreshing 60.1°F (15.6°C), closely mirroring the climate in April. Weather in May »Weather in June
June, the first month of the summer in Willow Creek, is a comfortable month, with an average temperature fluctuating between 48.4°F (9.1°C) and 64.4°F (18°C). Willow Creek sees the arrival of June with an average high-temperature of an enjoyable 64.4°F (18°C), indicating a subtle variation from May. Weather in June »Weather in July
July is an agreeable summer month in Willow Creek, California, with an average temperature varying between 68.5°F (20.3°C) and 51.1°F (10.6°C). July's arrival brings an average high-temperature of a pleasant 68.5°F (20.3°C), slightly deviating from June's 64.4°F (18°C). Weather in July »Weather in August
August, the last month of the summer in Willow Creek, is also an agreeable month, with an average temperature varying between 51.4°F (10.8°C) and 68.9°F (20.5°C). August, characterized by an average high temperature of 68.9°F (20.5°C) and a low temperature of 51.4°F (10.8°C), is generally the warmest month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Willow Creek, California, with an average temperature varying between 51.1°F (10.6°C) and 68°F (20°C). As Willow Creek welcomes September, the average high-temperature records at a still pleasant 68°F (20°C), marking an insignificant deviation from the prior month. Weather in September »Weather in October
October, like September, in Willow Creek, California, is another comfortable autumn month, with an average temperature fluctuating between 62.6°F (17°C) and 48.9°F (9.4°C). The beginning of October brings a minor change in the average high-temperature, shifting from a pleasant 68°F (20°C) in September to an enjoyable 62.6°F (17°C). Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Willow Creek, California, with temperature in the range of an average low of 45.3°F (7.4°C) and an average high of 56.7°F (13.7°C). The start of November signals a gentle decrease in the average high-temperature, transitioning from 62.6°F (17°C) in October to a still refreshing 56.7°F (13.7°C). Weather in November »Weather in December
The first month of the winter, December, is also a fresh month in Willow Creek, California, with an average temperature fluctuating between 52.7°F (11.5°C) and 42.4°F (5.8°C). With average high and low temperatures of 52.7°F (11.5°C) and 42.4°F (5.8°C) respectively, December is Willow Creek's coldest month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Willow Creek, CA
The warmest month (with the highest average high temperature) is August (68.9°F).
The month with the lowest average high temperature is December (52.7°F).
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is February (41.7°F).
Average pressure
Willow Creek, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.07"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed
Willow Creek, CA
- Average wind speed in January:
7.2mph - Average wind speed in February:
8mph - Average wind speed in March:
8.4mph - Average wind speed in April:
7.8mph - Average wind speed in May:
7.1mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.7mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
Willow Creek, CA
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are September and October (76%).
Average rainfall
Willow Creek, CA
- Average rainfall in January:
5.31" - Average rainfall in February:
4.13" - Average rainfall in March:
4.72" - Average rainfall in April:
2.56" - Average rainfall in May:
1.73" - Average rainfall in June:
0.55"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.16" - Average rainfall in September:
0.83" - Average rainfall in October:
2.28" - Average rainfall in November:
3.39" - Average rainfall in December:
5.87"
The wettest month (with the highest rainfall) is December (5.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days
Willow Creek, CA
- Average rainfall days in January:
14.1 days - Average rainfall days in February:
13.2 days - Average rainfall days in March:
16.8 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
8.3 days - Average rainfall days in June:
4.8 days
- Average rainfall days in July:
2.2 days - Average rainfall days in August:
2.2 days - Average rainfall days in September:
4.6 days - Average rainfall days in October:
8.1 days - Average rainfall days in November:
11.9 days - Average rainfall days in December:
15.6 days
The month with the highest number of rainy days is March (16.8 days).
The months with the least rainy days are July and August (2.2 days).
Average snowfall
Willow Creek, CA
The month with the highest snowfall is February (0.39").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Willow Creek, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0 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 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.1 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Willow Creek, CA
- Average daylight in January:
9h and 36min - 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 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - 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 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
5h and 30min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 42min - Average sunshine in May:
9h and 36min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
11h and 30min - Average sunshine in August:
11h and 24min - Average sunshine in September:
10h and 12min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days
Willow Creek, CA
- Average sunshine days in January:
15.7 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
21.2 days - Average sunshine days in June:
23.7 days
- Average sunshine days in July:
28 days - Average sunshine days in August:
28 days - Average sunshine days in September:
24.7 days - Average sunshine days in October:
21.7 days - Average sunshine days in November:
16.9 days - Average sunshine days in December:
14.7 days
The months with the most sunshine days are July and August (28 days).
The month with the least sunshine days is March (12.5 days).
Average UV index
Willow Creek, CA
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover
Willow Creek, CA
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility
Willow Creek, CA
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





