Climate and monthly weather forecastGeyserville, CA
Climate and monthly weather forecast
Weather in January
January in Geyserville, California, is a mild winter month, with temperature in the range of an average low of 41.2°F (5.1°C) and an average high of 57°F (13.9°C). January's average high-temperature is a mild 57°F (13.9°C), maintaining a close comparison with December's 55°F (12.8°C). Weather in January »Weather in February
February, the last month of the winter in Geyserville, is also a moderate month, with an average temperature ranging between min 40.6°F (4.8°C) and max 58.6°F (14.8°C). The onset of February marks an average high-temperature of a still refreshing 58.6°F (14.8°C), hardly differing from January's 57°F (13.9°C). Weather in February »Weather in March
March, the first month of the spring in Geyserville, is still a mild month, with an average temperature varying between 41.2°F (5.1°C) and 60.4°F (15.8°C). The arrival of March marks a slight shift to an average high-temperature of a still mild 60.4°F (15.8°C) from February's 58.6°F (14.8°C). Weather in March »Weather in April
April is a refreshing spring month in Geyserville, California, with an average temperature varying between 66°F (18.9°C) and 43.5°F (6.4°C). As Geyserville welcomes April, the average high-temperature displays a subtle shift, adjusting from 60.4°F (15.8°C) in March to a still refreshing 66°F (18.9°C). Weather in April »Weather in May
May, the last month of the spring in Geyserville, is a pleasant month, with an average temperature fluctuating between 47.3°F (8.5°C) and 71.4°F (21.9°C). The shift into May is accompanied by a modest temperature increase, with the average high-temperature edging up from an enjoyable 66°F (18.9°C) in April to an agreeable 71.4°F (21.9°C). Weather in May »Weather in June
June, the first month of the summer in Geyserville, is a warm month, with temperature in the range of an average low of 52.9°F (11.6°C) and an average high of 79.9°F (26.6°C). In Geyserville, the average high-temperature in June slightly rises, from a pleasant 71.4°F (21.9°C) in May, to a moderately hot 79.9°F (26.6°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Geyserville, California, with an average temperature fluctuating between 84.7°F (29.3°C) and 54.7°F (12.6°C). Geyserville's July weather, with an average high temperature of 84.7°F (29.3°C) and an average low temperature of 54.7°F (12.6°C), tends to be the warmest of the year. For most parts of July, the heat index is computed to be a hot 87.8°F (31°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Geyserville, California, with an average temperature varying between 55°F (12.8°C) and 84.6°F (29.2°C). Geyserville, California, records an average high-temperature of a still warm 84.6°F (29.2°C) in August, maintaining a close correlation with July's 84.7°F (29.3°C). Weather in August »Weather in September
September, the first month of the autumn in Geyserville, is still a warm month, with an average temperature ranging between min 53.6°F (12°C) and max 82.6°F (28.1°C). As Geyserville welcomes September, the average high-temperature is noted at a still warm 82.6°F (28.1°C), closely aligning with the preceding month. Weather in September »Weather in October
October, the same as September, is another warm autumn month in Geyserville, California, with an average temperature fluctuating between 50.4°F (10.2°C) and 73.8°F (23.2°C). As September makes way for October, Geyserville's average high-temperature eases from a moderately hot 82.6°F (28.1°C) to a still warm 73.8°F (23.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also an enjoyable month in Geyserville, California, with an average temperature ranging between min 44.2°F (6.8°C) and max 63.5°F (17.5°C). Geyserville experiences a temperature shift at the start of November, with average high-temperatures adjusting from a moderately hot 73.8°F (23.2°C) in October to a refreshing 63.5°F (17.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Geyserville, California, with an average temperature ranging between min 40.1°F (4.5°C) and max 55°F (12.8°C). The month of December, characterized by an average high of 55°F (12.8°C) and a low of 40.1°F (4.5°C), is recognized as the coldest. Weather in December »Updated: Aug 8, 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
Throughout the year, there are 81.2 rainfall days, and 19.84" (504mm) of precipitation is accumulated.
In Geyserville, California, snow does not fall in January, March through December.
Throughout the year, 0.04" (1mm) of snow is accumulated.
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
February is the month with the most rainfall. Rain falls for 9.5 days and accumulates 4.33" (110mm) of precipitation.
The only month with snowfall is February.
The month with the most snowfall is February, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.
March is the most humid month, with an average relative humidity of 76%.
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.
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 Geyserville.
July temperatures tend to peak at an average high of 84.7°F (29.3°C) and dip to a low of 54.7°F (12.6°C).
The months with the least rainfall are July and August Rain falls for 1 days and accumulates 0.04" (1mm) of rain.
The month with the most sunshine in Geyserville is July, with an average of 12h of sunshine.
With an average relative humidity of 57%, September is the least humid month.
In Geyserville, December is the month with the lowest recorded average temperatures, measuring a high of 55°F (12.8°C) and a low of 40.1°F (4.5°C).
The month with the shortest days is December, with an average of 9h and 30min of daylight.
December has the least sunshine of the year, with an average of 5.6h of sunshine.
Average temperature
Geyserville, CA
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (55°F).
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure
Geyserville, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.93"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:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed
Geyserville, CA
- Average wind speed in January:
4.7mph - Average wind speed in February:
5.5mph - Average wind speed in March:
5.7mph - Average wind speed in April:
6.2mph - Average wind speed in May:
6.2mph - Average wind speed in June:
6mph
- Average wind speed in July:
5mph - Average wind speed in August:
4.6mph - Average wind speed in September:
4.7mph - Average wind speed in October:
4.7mph - Average wind speed in November:
4.5mph - Average wind speed in December:
4.7mph
The windiest months (with the highest average wind speed) are April and May (6.2mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).
Average humidity
Geyserville, CA
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (57%).
Average rainfall
Geyserville, CA
- Average rainfall in January:
3.5" - Average rainfall in February:
4.33" - Average rainfall in March:
3.31" - Average rainfall in April:
1.06" - Average rainfall in May:
0.98" - Average rainfall in June:
0.16"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.12" - Average rainfall in October:
1.06" - Average rainfall in November:
1.81" - Average rainfall in December:
3.43"
The wettest month (with the highest rainfall) is February (4.33").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Geyserville, CA
- Average rainfall days in January:
10.7 days - Average rainfall days in February:
9.5 days - Average rainfall days in March:
14.2 days - Average rainfall days in April:
9.2 days - Average rainfall days in May:
6.2 days - Average rainfall days in June:
2.3 days
- Average rainfall days in July:
1 days - Average rainfall days in August:
0.8 days - Average rainfall days in September:
2.2 days - Average rainfall days in October:
5.3 days - Average rainfall days in November:
8.3 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is March (14.2 days).
The month with the least rainy days is August (0.8 days).
Average snowfall
Geyserville, CA
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Geyserville, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.1 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 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Geyserville, CA
- Average daylight in January:
9h and 48min - 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 36min - 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 30min
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 30min).
- Average sunshine in January:
5h and 42min - Average sunshine in February:
6h and 6min - Average sunshine in March:
7h and 24min - Average sunshine in April:
10h and 0min - Average sunshine in May:
10h and 42min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 0min - Average sunshine in October:
6h and 54min - Average sunshine in November:
6h and 30min - Average sunshine in December:
5h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days
Geyserville, CA
- Average sunshine days in January:
19.1 days - Average sunshine days in February:
17 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
19.4 days - Average sunshine days in May:
23.4 days - Average sunshine days in June:
27 days
- Average sunshine days in July:
29.8 days - Average sunshine days in August:
29.4 days - Average sunshine days in September:
27 days - Average sunshine days in October:
24.6 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
18.6 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).
Average UV index
Geyserville, 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
Geyserville, CA
The month with the most cloud cover is March (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility
Geyserville, 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).
