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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January is a moderate winter month in Bethel Island, California, with an average temperature fluctuating between 56.1°F (13.4°C) and 41.5°F (5.3°C). January brings an average high-temperature of a mild 56.1°F (13.4°C), showing a slight difference from December's 55°F (12.8°C). Weather in January »
Weather in February
February, the last month of the winter in Bethel Island, is another mild month, with an average temperature varying between 59.7°F (15.4°C) and 42.4°F (5.8°C). In Bethel Island, February's average high-temperature stands at a still mild 59.7°F (15.4°C), closely related to the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Bethel Island, is a refreshing month, with an average temperature ranging between min 43.9°F (6.6°C) and max 63.5°F (17.5°C). With March's advent, Bethel Island sees an average high-temperature of a comfortable 63.5°F (17.5°C), subtly shifted from February's 59.7°F (15.4°C). Weather in March »
Weather in April
April is a pleasant spring month in Bethel Island, California, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 46.6°F (8.1°C). With the transition into April, Bethel Island experiences a subtle uplift in average high-temperatures, adjusting from a refreshing 63.5°F (17.5°C) in March to an agreeable 69.4°F (20.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Bethel Island, California, with an average temperature ranging between min 50.5°F (10.3°C) and max 75.6°F (24.2°C). The beginning of May signals a minor rise in the average high-temperature, moving from a pleasant 69.4°F (20.8°C) in April to a moderately hot 75.6°F (24.2°C). Weather in May »
Weather in June
June, the first month of the summer in Bethel Island, is also a moderately hot month, with an average temperature varying between 84.4°F (29.1°C) and 55°F (12.8°C). June's onset witnesses a minor shift in the average high-temperature, moving from 75.6°F (24.2°C) in May to a still warm 84.4°F (29.1°C). Weather in June »
Weather in July
July in Bethel Island, California, is a tropical summer month, with an average temperature fluctuating between 56.5°F (13.6°C) and 88.5°F (31.4°C). July, marked by an average high-temperature of 88.5°F (31.4°C) and a low-temperature of 56.5°F (13.6°C), is the warmest month. July's heat index is evaluated at a hot 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Bethel Island, California, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 57.4°F (14.1°C). The introduction of August sees an average high-temperature of a still hot 87.4°F (30.8°C), hardly deviating from July. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Bethel Island, California, with an average temperature fluctuating between 57.7°F (14.3°C) and 85.3°F (29.6°C). The introduction of September sees an average high-temperature of a warm 85.3°F (29.6°C), hardly deviating from August. Weather in September »
Weather in October
October, like September, in Bethel Island, California, is a moderately hot autumn month, with an average temperature fluctuating between 54°F (12.2°C) and 75.9°F (24.4°C). The commencement of October involves a temperature shift, with the average high-temperature dropping from 85.3°F (29.6°C) in September to a still moderately hot 75.9°F (24.4°C). Weather in October »
Weather in November
The last month of the autumn, November, is another comfortable month in Bethel Island, California, with an average temperature fluctuating between 63.9°F (17.7°C) and 46.6°F (8.1°C). November's arrival correlates with a reduction in the average high-temperature, down from a warm 75.9°F (24.4°C) in October to a refreshing 63.9°F (17.7°C). Weather in November »
Weather in December
December, the first month of the winter in Bethel Island, is still a cool month, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 41.7°F (5.4°C). Bethel Island's coldest weather arrives in December, when temperatures average a high of 55°F (12.8°C) and a low of 41.7°F (5.4°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Bethel Island?
The most humid month in Bethel Island is January, with an average relative humidity of 74%.
How many days does it rain in Bethel Island?
Throughout the year, in Bethel Island, there are 62 rainfall days, and 10.16" (258mm) of precipitation is accumulated.
When it does not snow in Bethel Island?
In Bethel Island, snow does not fall in January through November.
How many days does it snow in Bethel Island?
Throughout the year, there are 0.1 snowfall days.
What are the months with the lowest UV index in Bethel Island?
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Bethel Island, California.
What is the rainiest month in Bethel Island?
The month with the most rainfall in Bethel Island is February, when the rain falls for 7.8 days and typically aggregates up to 2.09" (53mm) of precipitation.
When is Daylight Saving Time (DST) in Bethel Island?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Bethel Island, 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.
When are the longest days in Bethel Island?
June has the longest days of the year in Bethel Island, California, with an average of 14h and 48min of daylight.
What are the months with the highest UV index in Bethel Island?
The months with the highest UV index in Bethel Island are June through August, with an average maximum UV index of 6.
What month is the hottest in Bethel Island?
With average high and low temperatures of 88.5°F (31.4°C) and 56.5°F (13.6°C) respectively, July is Bethel Island's warmest month.
What is the driest month in Bethel Island?
July and August are months with the least rain in Bethel Island, California, when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.
What month has the most sunshine in Bethel Island?
The month with the most sunshine in Bethel Island is July, with an average of 12.1h of sunshine.
What is the least humid month in Bethel Island?
September is the least humid month in Bethel Island, California, with an average relative humidity of 52%.
What is the coldest time of year in Bethel Island?
December, having an average high-temperature of 55°F (12.8°C) and an average low-temperature of 41.7°F (5.4°C), is the coldest month in Bethel Island, California.
When does it snow in Bethel Island?
The only month with snowfall in Bethel Island, California, is December.
When does it snow the most in Bethel Island?
December has the most snowfall days of the year in Bethel Island. Snow falls for 0.1 days.
What is the month with the shortest days in Bethel Island?
December has the shortest days of the year in Bethel Island, California, with an average of 9h and 36min of daylight.
What is the month with the least sunshine in Bethel Island?
The month with the least sunshine is December, with an average of 5.8h of sunshine.
Average temperature
Bethel Island, CA
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (55°F).
The month with the highest average low temperature is September (57.7°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure
Bethel Island, 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:
29.97"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:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Bethel Island, CA
- Average wind speed in January:
4.5mph - Average wind speed in February:
5.7mph - Average wind speed in March:
6mph - Average wind speed in April:
6.8mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7mph - Average wind speed in September:
6.2mph - Average wind speed in October:
5.5mph - Average wind speed in November:
4.5mph - Average wind speed in December:
5mph
The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.5mph).
Average humidity
Bethel Island, CA
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is September (52%).
Average rainfall
Bethel Island, CA
- Average rainfall in January:
1.89" - Average rainfall in February:
2.09" - Average rainfall in March:
1.77" - Average rainfall in April:
0.55" - Average rainfall in May:
0.43" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.08" - Average rainfall in October:
0.51" - Average rainfall in November:
1.1" - Average rainfall in December:
1.57"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Bethel Island, CA
- Average rainfall days in January:
8.6 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
12.3 days - Average rainfall days in April:
6.3 days - Average rainfall days in May:
4 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
1.3 days - Average rainfall days in August:
0.8 days - Average rainfall days in September:
1.3 days - Average rainfall days in October:
3.3 days - Average rainfall days in November:
5.7 days - Average rainfall days in December:
9.3 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is August (0.8 days).
Average snowfall days
Bethel Island, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 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 December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Bethel Island, CA
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
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 0min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 5min - Average sunshine in April:
10h and 2min - Average sunshine in May:
11h and 1min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 4min - Average sunshine in December:
5h and 5min
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 48min).
Average sunshine days
Bethel Island, CA
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
17.7 days - Average sunshine days in April:
22.8 days - Average sunshine days in May:
26.6 days - Average sunshine days in June:
28.5 days
- Average sunshine days in July:
29.7 days - Average sunshine days in August:
29.8 days - Average sunshine days in September:
28.5 days - Average sunshine days in October:
26.9 days - Average sunshine days in November:
23.7 days - Average sunshine days in December:
21.1 days
The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.7 days).
Average UV index
Bethel Island, 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
Bethel Island, 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 5).
Average visibility
Bethel Island, 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).
Bethel Island, California, USA
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