Climate and monthly weather forecastWalnut Grove, CA
Climate and monthly weather forecast
Weather in January
January is a moderate winter month in Walnut Grove, California, with an average temperature varying between 55.9°F (13.3°C) and 41.5°F (5.3°C). The start of January sees the average high-temperature at a refreshing 55.9°F (13.3°C), showing little difference from December's 55°F (12.8°C). Weather in January »Weather in February
The last month of the winter, February, is another refreshing month in Walnut Grove, California, with an average temperature fluctuating between 42.3°F (5.7°C) and 59.7°F (15.4°C). February brings a marginal elevation to a still refreshing 59.7°F (15.4°C) from January's 55.9°F (13.3°C) in Walnut Grove's average high-temperatures. Weather in February »Weather in March
The first month of the spring, March, is a comfortable month in Walnut Grove, California, with temperature in the range of an average high of 63.7°F (17.6°C) and an average low of 43.7°F (6.5°C). Walnut Grove records an average high-temperature of a comfortable 63.7°F (17.6°C) as March arrives, nearly mirroring the previous month's climate. Weather in March »Weather in April
April is a pleasant spring month in Walnut Grove, California, with temperature in the range of an average high of 69.6°F (20.9°C) and an average low of 46.8°F (8.2°C). April's arrival brings a slight change in high-temperatures, adjusting from an enjoyable 63.7°F (17.6°C) in March to a pleasant 69.6°F (20.9°C). Weather in April »Weather in May
May, the last month of the spring in Walnut Grove, is a moderately hot month, with an average temperature ranging between max 76.6°F (24.8°C) and min 51.1°F (10.6°C). The onset of May brings a minor temperature shift, with the average high-temperature moving from a pleasant 69.6°F (20.9°C) in April to a warm 76.6°F (24.8°C). Weather in May »Weather in June
June, the first month of the summer in Walnut Grove, is a tropical month, with an average temperature varying between 86.5°F (30.3°C) and 55.8°F (13.2°C). June's arrival signals an increase in average high-temperatures, moving from May's warm 76.6°F (24.8°C) to a hot 86.5°F (30.3°C). Weather in June »Weather in July
July, like June, is a hot summer month in Walnut Grove, California, with an average temperature varying between 57.2°F (14°C) and 91°F (32.8°C). The month of July, characterized by an average high of 91°F (32.8°C) and a low of 57.2°F (14°C), is recognized as the warmest. The heat index in July is computed to be a torrid 96.8°F (36°C). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Walnut Grove, California, with an average temperature fluctuating between 57.7°F (14.3°C) and 90.1°F (32.3°C). Walnut Grove notes an average high-temperature of a still tropical 90.1°F (32.3°C) in August, displaying minor variation from July. Weather in August »Weather in September
September, the first month of the autumn in Walnut Grove, is still a tropical month, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 86.9°F (30.5°C). Walnut Grove's average high-temperature in September sits at a still hot 86.9°F (30.5°C), showing little difference from the previous month. Weather in September »Weather in October
October, like September, in Walnut Grove, California, is a moderately hot autumn month, with an average temperature ranging between min 54.1°F (12.3°C) and max 76.5°F (24.7°C). A subtle decrease in the average high-temperature marks October, falling from September's tropical 86.9°F (30.5°C) to a moderately hot 76.5°F (24.7°C). Weather in October »Weather in November
November, the last month of the autumn in Walnut Grove, is also an enjoyable month, with an average temperature ranging between max 63.9°F (17.7°C) and min 46.4°F (8°C). Transition from October to November is accompanied by a temperature drop, with average high-temperatures decreasing from a warm 76.5°F (24.7°C) to an enjoyable 63.9°F (17.7°C). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Walnut Grove, California, with an average temperature varying between 55°F (12.8°C) and 41.7°F (5.4°C). With average high and low temperatures of 55°F (12.8°C) and 41.7°F (5.4°C) respectively, December is Walnut Grove's coldest month. Weather in December »Updated: Feb 9, 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 and March, with an average relative humidity of 74%, are most humid months in Walnut Grove.
Throughout the year, in Walnut Grove, California, there are 68.7 rainfall days, and 11.18" (284mm) of precipitation is accumulated.
The months with the lowest UV index in Walnut Grove, California, are January, February, November and December, with an average maximum UV index of 3.
The month with the most rainfall in Walnut Grove is February, when the rain falls for 8.6 days and typically aggregates up to 2.17" (55mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Walnut Grove, 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.
The month with the longest days is June, with an average of 14h and 48min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index in Walnut Grove, California.
Walnut Grove's temperatures tend to reach their peak averages in July, with a high of 91°F (32.8°C) and a low of 57.2°F (14°C).
With an average of 12.1h of sunshine, July has the most sunshine of the year in Walnut Grove.
August is the only month when rain does not fall in Walnut Grove, California.
With an average relative humidity of 49%, September is the least humid month.
Months with rainfall in Walnut Grove, California, are January through July, September through December.
December brings the lowest temperatures in Walnut Grove, California, with an average high of 55°F (12.8°C) and an average low of 41.7°F (5.4°C).
December has the shortest days of the year, with an average of 9h and 36min of daylight.
The month with the least sunshine in Walnut Grove, California, is December, with an average of 5.9h of sunshine.
Average temperature
Walnut Grove, CA
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (55°F).
The month with the highest average low temperature is September (58.1°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure
Walnut Grove, CA
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Walnut Grove, CA
- Average wind speed in January:
4.8mph - Average wind speed in February:
6mph - Average wind speed in March:
6mph - Average wind speed in April:
6.6mph - Average wind speed in May:
7.3mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7mph - Average wind speed in September:
5.9mph - Average wind speed in October:
5.7mph - Average wind speed in November:
4.7mph - Average wind speed in December:
5.3mph
The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity
Walnut Grove, CA
The months with the highest relative humidity are January and March (74%).
The month with the lowest relative humidity is September (49%).
Average rainfall
Walnut Grove, CA
- Average rainfall in January:
1.93" - Average rainfall in February:
2.17" - Average rainfall in March:
2.01" - Average rainfall in April:
0.79" - Average rainfall in May:
0.51" - Average rainfall in June:
0.08"
The wettest month (with the highest rainfall) is February (2.17").
The driest month (with the least rainfall) is August (0").
Average rainfall days
Walnut Grove, CA
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
13 days - Average rainfall days in April:
7.7 days - Average rainfall days in May:
4.7 days - Average rainfall days in June:
1.5 days
- Average rainfall days in July:
0.8 days - Average rainfall days in August:
0.7 days - Average rainfall days in September:
1.6 days - Average rainfall days in October:
4.2 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
9.7 days
The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (0.7 days).
Average daylight / Average sunshine
Walnut Grove, CA
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
6h and 6min - Average sunshine in February:
6h and 12min - Average sunshine in March:
8h and 0min - Average sunshine in April:
10h and 18min - Average sunshine in May:
11h and 12min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 12min - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 36min - Average sunshine in December:
5h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days
Walnut Grove, CA
- Average sunshine days in January:
21.1 days - Average sunshine days in February:
18.5 days - Average sunshine days in March:
17.3 days - Average sunshine days in April:
20.8 days - Average sunshine days in May:
25.8 days - Average sunshine days in June:
28.1 days
- Average sunshine days in July:
29.8 days - Average sunshine days in August:
29.9 days - Average sunshine days in September:
27.7 days - Average sunshine days in October:
25.9 days - Average sunshine days in November:
22 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is August (29.9 days).
The month with the least sunshine days is March (17.3 days).
Average UV index
Walnut Grove, CA
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 3).
Average cloud cover
Walnut Grove, CA
The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility
Walnut Grove, CA
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).
