Climate and monthly weather forecastGlenhaven, CA
Climate and monthly weather forecast
Weather in January
January, like December, in Glenhaven, California, is another fresh winter month, with temperature in the range of an average high of 54.7°F (12.6°C) and an average low of 38.7°F (3.7°C). January registers an average high-temperature of a still fresh 54.7°F (12.6°C), slightly varied from December's 52.3°F (11.3°C). Weather in January »Weather in February
The last month of the winter, February, is a refreshing month in Glenhaven, California, with an average temperature varying between 37.9°F (3.3°C) and 55.9°F (13.3°C). Glenhaven experiences an average high-temperature of a moderate 55.9°F (13.3°C) with the onset of February, subtly varied from January's 54.7°F (12.6°C). Weather in February »Weather in March
The first month of the spring, March, is still a mild month in Glenhaven, California, with an average temperature fluctuating between 38.8°F (3.8°C) and 57.9°F (14.4°C). March observes an average high-temperature of a still refreshing 57.9°F (14.4°C), marking an insignificant difference from February's 55.9°F (13.3°C). Weather in March »Weather in April
April in Glenhaven, California, is an enjoyable spring month, with an average temperature ranging between max 64.8°F (18.2°C) and min 42.3°F (5.7°C). As April arrives, a slight rise in the average high-temperature is observed, moving from a refreshing 57.9°F (14.4°C) in March to a comfortable 64.8°F (18.2°C). Weather in April »Weather in May
May, the last month of the spring in Glenhaven, is a pleasant month, with an average temperature fluctuating between 72.1°F (22.3°C) and 46.9°F (8.3°C). Glenhaven observes a slight ascent in average high-temperatures during May, adjusting from an enjoyable 64.8°F (18.2°C) in April to a pleasant 72.1°F (22.3°C). Weather in May »Weather in June
June, the first month of the summer in Glenhaven, is a moderately hot month, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 82.6°F (28.1°C). The start of June brings a shift in the average high-temperature, increasing from May's agreeable 72.1°F (22.3°C) to a moderately hot 82.6°F (28.1°C). Weather in June »Weather in July
July in Glenhaven, California, is a hot summer month, with an average temperature varying between 57.7°F (14.3°C) and 89.6°F (32°C). July is the month when Glenhaven experiences its warmest temperatures, averaging a high of 89.6°F (32°C) and a low of 57.7°F (14.3°C). Throughout July, the heat index is appraised at a hot 93.2°F (34°C). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Glenhaven, California, with an average temperature ranging between min 57.4°F (14.1°C) and max 89.1°F (31.7°C). The arrival of August brings an average high-temperature of a still hot 89.1°F (31.7°C), nearly identical to July's 89.6°F (32°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Glenhaven, California, with an average temperature fluctuating between 84.2°F (29°C) and 54.1°F (12.3°C). A minor adjustment in Glenhaven's average high-temperature is noted with the start of September, touching a moderately hot 84.2°F (29°C) from August's 89.1°F (31.7°C). Weather in September »Weather in October
October, like September, is another pleasant autumn month in Glenhaven, California, with an average temperature fluctuating between 48°F (8.9°C) and 72.5°F (22.5°C). As September transitions to October, the average high-temperature falls from a moderately hot 84.2°F (29°C) to a pleasant 72.5°F (22.5°C). Weather in October »Weather in November
November, the last month of the autumn in Glenhaven, is another mild month, with an average temperature fluctuating between 60.1°F (15.6°C) and 40.6°F (4.8°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's pleasant 72.5°F (22.5°C) to a refreshing 60.1°F (15.6°C). Weather in November »Weather in December
December, the first month of the winter in Glenhaven, is also a fresh month, with an average temperature fluctuating between 52.3°F (11.3°C) and 37.2°F (2.9°C). December is the month when Glenhaven sees the lowest average temperatures, with a high of 52.3°F (11.3°C) and a low of 37.2°F (2.9°C). Weather in December »Updated: Aug 11, 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 Glenhaven, during the entire year, the rain falls for 92 days and collects up to 21.02" (534mm) of precipitation.
January through March, November and December are months with snowfall.
The months with the most snowfall are January and February, with an average 0.47" (12mm) of accumulated snow.
Throughout the year, there are 2 snowfall days, and 1.34" (34mm) of snow is accumulated.
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.
The month with the most rainfall is February, when the rain falls for 10.3 days and typically aggregates up to 4.06" (103mm) of precipitation.
The most humid month is March, with an average relative humidity of 75%.
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.
April through October are months without snowfall.
The month with the longest days is June, with an average of 14h and 54min of daylight.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
July is the warmest month of the year, registering average temperatures as high as 89.6°F (32°C) and as low as 57.7°F (14.3°C).
With an average relative humidity of 47%, July is the least humid month.
July is the month with the least rainfall. Rain falls for 1.3 days and accumulates 0.04" (1mm) of precipitation.
With an average of 12h of sunshine, July has the most sunshine of the year.
Glenhaven, California, records the coldest temperatures in December, averaging a high of 52.3°F (11.3°C) and a low of 37.2°F (2.9°C).
With an average of 9h and 30min of daylight, December has the shortest days of the year.
With an average of 5.3h of sunshine, December has the least sunshine of the year.
Average temperature
Glenhaven, CA
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (52.3°F).
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure
Glenhaven, CA
- Average pressure in January:
30.14"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:
29.91"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.91"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 months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed
Glenhaven, CA
- Average wind speed in January:
4.5mph - Average wind speed in February:
5mph - Average wind speed in March:
5.2mph - Average wind speed in April:
5.3mph - Average wind speed in May:
5.2mph - Average wind speed in June:
5.2mph
- Average wind speed in July:
4.5mph - Average wind speed in August:
4.2mph - Average wind speed in September:
4.3mph - Average wind speed in October:
4.3mph - Average wind speed in November:
4.1mph - Average wind speed in December:
4.4mph
The windiest month (with the highest average wind speed) is April (5.3mph).
The calmest month (with the lowest average wind speed) is November (4.1mph).
Average humidity
Glenhaven, CA
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (47%).
Average rainfall
Glenhaven, CA
- Average rainfall in January:
3.74" - Average rainfall in February:
4.06" - Average rainfall in March:
3.39" - Average rainfall in April:
1.18" - Average rainfall in May:
1.26" - Average rainfall in June:
0.28"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.08" - Average rainfall in September:
0.16" - Average rainfall in October:
1.26" - Average rainfall in November:
1.89" - Average rainfall in December:
3.7"
The wettest month (with the highest rainfall) is February (4.06").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days
Glenhaven, CA
- Average rainfall days in January:
11.6 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
15.9 days - Average rainfall days in April:
11 days - Average rainfall days in May:
8.3 days - Average rainfall days in June:
3.4 days
- Average rainfall days in July:
1.3 days - Average rainfall days in August:
1.3 days - Average rainfall days in September:
2.5 days - Average rainfall days in October:
5.4 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
12.3 days
The month with the highest number of rainy days is March (15.9 days).
The months with the least rainy days are July and August (1.3 days).
Average snowfall
Glenhaven, CA
The months with the highest snowfall are January and February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Glenhaven, CA
- Average snowfall days in January:
0.2 days - Average snowfall days in February:
0.9 days - Average snowfall days in March:
0.5 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:
0.2 days - Average snowfall days in December:
0.2 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Glenhaven, 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 18min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 54min
- 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 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
5h and 42min - Average sunshine in March:
7h and 0min - Average sunshine in April:
9h and 42min - Average sunshine in May:
10h and 30min - Average sunshine in June:
11h and 30min
- 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 18min - Average sunshine in December:
5h and 18min
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 18min).
Average sunshine days
Glenhaven, CA
- Average sunshine days in January:
18 days - Average sunshine days in February:
16.5 days - Average sunshine days in March:
13.7 days - Average sunshine days in April:
17.3 days - Average sunshine days in May:
21.3 days - Average sunshine days in June:
25.5 days
- Average sunshine days in July:
28.3 days - Average sunshine days in August:
28.3 days - Average sunshine days in September:
26.7 days - Average sunshine days in October:
24.4 days - Average sunshine days in November:
20.4 days - Average sunshine days in December:
17.6 days
The months with the most sunshine days are July and August (28.3 days).
The month with the least sunshine days is March (13.7 days).
Average UV index
Glenhaven, 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
Glenhaven, CA
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility
Glenhaven, CA
The months with the highest visibility are January, February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are March and December (5mi).
