Climate and monthly weather forecastPenngrove, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Penngrove, California, is another refreshing winter month, with an average temperature varying between 57°F (13.9°C) and 43.2°F (6.2°C). The arrival of January sees a recorded average high-temperature of a still mild 57°F (13.9°C), showing little divergence from the previous month's conditions. Weather in January »Weather in February
The last month of the winter, February, is another refreshing month in Penngrove, California, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 42.6°F (5.9°C). The advent of February reveals an average high-temperature of a still mild 58.6°F (14.8°C), showing minimal difference from the prior month. Weather in February »Weather in March
March, the first month of the spring in Penngrove, is still a refreshing month, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 44.1°F (6.7°C). Penngrove, California, starts March with an average high-temperature of a still refreshing 60.4°F (15.8°C), hinting at a minimal fluctuation from February. Weather in March »Weather in April
April in Penngrove, California, is a refreshing spring month, with an average temperature varying between 64.9°F (18.3°C) and 45.5°F (7.5°C). April reports an average high-temperature of an enjoyable 64.9°F (18.3°C), slightly varied from March's 60.4°F (15.8°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Penngrove, California, with an average temperature fluctuating between 69.3°F (20.7°C) and 48.6°F (9.2°C). In May, the average high-temperature registers at a pleasant 69.3°F (20.7°C), nearly identical to April's 64.9°F (18.3°C). Weather in May »Weather in June
June, the first month of the summer in Penngrove, is a moderately hot month, with an average temperature ranging between min 52.9°F (11.6°C) and max 76.5°F (24.7°C). The commencement of June sees a minor shift in the average high-temperature, moving from a pleasant 69.3°F (20.7°C) in May to a warm 76.5°F (24.7°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Penngrove, California, with an average temperature ranging between min 54.5°F (12.5°C) and max 79.9°F (26.6°C). In Penngrove, the warmest months are July and August, registering an average high-temperature of 79.9°F (26.6°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Penngrove, California, with an average temperature fluctuating between 55°F (12.8°C) and 79.9°F (26.6°C). Penngrove's peak temperatures tend to occur in July and August, with an average high-temperature of 79.9°F (26.6°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Penngrove, California, with an average temperature ranging between min 55°F (12.8°C) and max 79.3°F (26.3°C). The arrival of September brings an average high-temperature of a still warm 79.3°F (26.3°C), nearly identical to August's 79.9°F (26.6°C). Weather in September »Weather in October
October, the same as September, in Penngrove, California, is an agreeable autumn month, with an average temperature fluctuating between 51.8°F (11°C) and 72.3°F (22.4°C). In Penngrove, the average high-temperature in October slightly decreases from a moderately hot 79.3°F (26.3°C) in September to an agreeable 72.3°F (22.4°C). Weather in October »Weather in November
The last month of the autumn, November, is another comfortable month in Penngrove, California, with an average temperature ranging between min 46°F (7.8°C) and max 63.5°F (17.5°C). In the transition to November, Penngrove observes a minor drop in the average high-temperature, shifting from an agreeable 72.3°F (22.4°C) in October to a refreshing 63.5°F (17.5°C). Weather in November »Weather in December
December, the first month of the winter in Penngrove, is also a moderate month, with an average temperature ranging between max 55.6°F (13.1°C) and min 42.4°F (5.8°C). The coldest period tends to be December, when average temperatures fluctuate between a high of 55.6°F (13.1°C) and a low of 42.4°F (5.8°C). 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
In Penngrove, during the entire year, the rain falls for 44.3 days and collects up to 3.78" (96mm) of precipitation.
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 5.3 days and accumulates 0.91" (23mm) of precipitation.
The most humid month is March, with an average relative humidity of 77%.
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 months with the least rainfall are June through September Rain falls for 0.8 days and accumulates 0.04" (1mm) of rain.
June has the longest days of the year, with an average of 14h and 48min of daylight.
The month with the highest UV index in Penngrove is June, with an average maximum UV index of 6.
In Penngrove, California, the warmest months are July and August, registering an average high-temperature of 79.9°F (26.6°C).
The month with the most sunshine is July, with an average of 11.9h of sunshine.
The least humid month is September, with an average relative humidity of 62%.
The coldest period in Penngrove, California, is December, when temperatures fluctuate between an average high of 55.6°F (13.1°C) and a low of 42.4°F (5.8°C).
December has the shortest days of the year, with an average of 9h and 36min of daylight.
With an average of 5.7h of sunshine, December has the least sunshine of the year.
Average temperature
Penngrove, CA
The warmest months (with the highest average high temperature) are July and August (79.9°F).
The month with the lowest average high temperature is December (55.6°F).
The months with the highest average low temperature are August and September (55°F).
The coldest month (with the lowest average low temperature) is December (42.4°F).
Average pressure
Penngrove, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
29.98"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:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed
Penngrove, CA
- Average wind speed in January:
5.1mph - Average wind speed in February:
5.8mph - Average wind speed in March:
6.2mph - Average wind speed in April:
6.7mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5mph - Average wind speed in October:
4.9mph - Average wind speed in November:
4.7mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity
Penngrove, CA
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (62%).
Average rainfall
Penngrove, CA
- Average rainfall in January:
0.51" - Average rainfall in February:
0.91" - Average rainfall in March:
0.55" - Average rainfall in April:
0.16" - Average rainfall in May:
0.24" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.04" - Average rainfall in October:
0.16" - Average rainfall in November:
0.43" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is February (0.91").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days
Penngrove, CA
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
8.7 days - Average rainfall days in April:
4.8 days - Average rainfall days in May:
2.9 days - Average rainfall days in June:
0.8 days
- Average rainfall days in July:
1 days - Average rainfall days in August:
0.5 days - Average rainfall days in September:
1.7 days - Average rainfall days in October:
2.5 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
6.4 days
The month with the highest number of rainy days is March (8.7 days).
The month with the least rainy days is August (0.5 days).
Average daylight / Average sunshine
Penngrove, 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:
5h and 48min - Average sunshine in February:
6h and 12min - Average sunshine in March:
7h and 30min - Average sunshine in April:
10h and 12min - Average sunshine in May:
10h and 36min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 48min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 30min - Average sunshine in December:
5h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Penngrove, CA
- Average sunshine days in January:
23.8 days - Average sunshine days in February:
21.2 days - Average sunshine days in March:
20.8 days - Average sunshine days in April:
24 days - Average sunshine days in May:
26.6 days - Average sunshine days in June:
27.7 days
- Average sunshine days in July:
27.6 days - Average sunshine days in August:
27.1 days - Average sunshine days in September:
27.5 days - Average sunshine days in October:
26.8 days - Average sunshine days in November:
23.8 days - Average sunshine days in December:
22.5 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is March (20.8 days).
Average UV index
Penngrove, CA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Penngrove, CA
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility
Penngrove, 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).
