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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
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January in Mount Wilson, California, is a comfortable winter month, with an average temperature ranging between max 61°F (16.1°C) and min 44.2°F (6.8°C). The start of January marks an average high-temperature of an enjoyable 61°F (16.1°C), hardly distinguishable from the conditions in December. Weather in January »
Weather in February
The last month of the winter, February, is another refreshing month in Mount Wilson, California, with an average temperature fluctuating between 43.7°F (6.5°C) and 60.8°F (16°C). February notes an average high-temperature of a still enjoyable 60.8°F (16°C), subtly differing from January's 61°F (16.1°C). Weather in February »
Weather in March
March, the first month of the spring in Mount Wilson, is also an enjoyable month, with an average temperature fluctuating between 64.6°F (18.1°C) and 45.1°F (7.3°C). Mount Wilson marks the onset of March with an average high-temperature of a still enjoyable 64.6°F (18.1°C), a subtle shift from February's 60.8°F (16°C). Weather in March »
Weather in April
April in Mount Wilson, California, is an agreeable spring month, with an average temperature ranging between max 68.9°F (20.5°C) and min 47.8°F (8.8°C). With the onset of April, Mount Wilson's average high-temperature clocks in at an agreeable 68.9°F (20.5°C), showing a minor fluctuation from the previous month. Weather in April »
Weather in May
The last month of the spring, May, is also an agreeable month in Mount Wilson, California, with temperature in the range of an average low of 51.8°F (11°C) and an average high of 72.7°F (22.6°C). As Mount Wilson welcomes May, the average high-temperature stabilizes at a still pleasant 72.7°F (22.6°C), showing little deviation from April's 68.9°F (20.5°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Mount Wilson, California, with temperature in the range of an average high of 79.5°F (26.4°C) and an average low of 57°F (13.9°C). With the beginning of June, Mount Wilson's average high-temperature sees a minor increase, transitioning from an agreeable 72.7°F (22.6°C) in May to a warm 79.5°F (26.4°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Mount Wilson, California, with an average temperature ranging between max 85.1°F (29.5°C) and min 63.1°F (17.3°C). Mount Wilson's weather shows a minor temperature rise with the arrival of July, moving from a moderately hot 79.5°F (26.4°C) in June to a still warm 85.1°F (29.5°C). Weather in July »
Weather in August
The last month of the summer, August, is a tropical month in Mount Wilson, California, with an average temperature ranging between min 64°F (17.8°C) and max 86.2°F (30.1°C). August, with an average high of 86.2°F (30.1°C) and a low of 64°F (17.8°C), signifies the warmest month of the year. In August, the heat index is evaluated at a hot 86°F (30°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Mount Wilson, California, with temperature in the range of an average high of 83.8°F (28.8°C) and an average low of 61.9°F (16.6°C). As Mount Wilson transitions into September, the average high-temperature stands at a warm 83.8°F (28.8°C), offering little variation from the preceding month. Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Mount Wilson, California, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 74.3°F (23.5°C). Welcoming October, Mount Wilson observes a shift in the average high-temperature, falling from September's 83.8°F (28.8°C) to a still warm 74.3°F (23.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Mount Wilson, is also an enjoyable month, with an average temperature fluctuating between 50.2°F (10.1°C) and 67.1°F (19.5°C). The onset of November aligns with a soft reduction in the average high-temperature, gently falling from a warm 74.3°F (23.5°C) in October to an enjoyable 67.1°F (19.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a refreshing month in Mount Wilson, California, with temperature in the range of an average low of 43.3°F (6.3°C) and an average high of 58.5°F (14.7°C). In Mount Wilson, the lowest average temperatures are observed in December, with a high of 58.5°F (14.7°C) and a low of 43.3°F (6.3°C). Weather in December »
[Resources]Frequently asked questions
How many days does it rain in Mount Wilson?
In Mount Wilson, during the entire year, the rain falls for 50.3 days and collects up to 8.7" (221mm) of precipitation.
When does it snow in Mount Wilson?
Months with snowfall are January through April, November and December.
How many days does it snow in Mount Wilson?
In Mount Wilson, during the entire year, snow falls for 3.5 days and aggregates up to 7.32" (186mm) of snow.
What is the month with the least sunshine in Mount Wilson?
The months with the least sunshine in Mount Wilson are January, February and December, with an average of 6.9h of sunshine.
What is the wettest month in Mount Wilson?
The month with the most rainfall is February, when the rain falls for 5.3 days and typically aggregates up to 1.73" (44mm) of precipitation.
What is the most humid month in Mount Wilson?
March is the most humid month, with an average relative humidity of 56%.
When is Daylight Saving Time (DST) in Mount Wilson?
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.
When it does not snow in Mount Wilson?
In Mount Wilson, snow does not fall in May through October.
What is the driest month in Mount Wilson?
June is the month with the least rainfall in Mount Wilson. Rain falls for 1.3 days and accumulates 0.08" (2mm) of precipitation.
When are the longest days in Mount Wilson?
The month with the longest days in Mount Wilson is June, with an average of 14h and 24min of daylight.
What is the month with the highest UV index in Mount Wilson?
The months with the highest UV index in Mount Wilson are June through September, with an average maximum UV index of 6.
What month has the most sunshine in Mount Wilson?
July has the most sunshine of the year, with an average of 12.1h of sunshine.
What are the warmest months in Mount Wilson?
August is the warmest month of the year in Mount Wilson, California, registering average temperatures as high as 86.2°F (30.1°C) and as low as 64°F (17.8°C).
What is the least humid month in Mount Wilson?
August is the least humid month in Mount Wilson, California, with an average relative humidity of 45%.
When is the lowest UV index in Mount Wilson?
November and December, with an average maximum UV index of 3, are months with the lowest UV index.
What part of the year is the coldest in Mount Wilson?
With an average high-temperature of 58.5°F (14.7°C) and an average low-temperature of 43.3°F (6.3°C), December is the coldest month.
When does it snow the most in Mount Wilson?
December is the month with the most snowfall in Mount Wilson. Snow falls for 0.5 days and accumulates 2.99" (76mm) of snow.
What is the month with the shortest days in Mount Wilson?
The month with the shortest days in Mount Wilson, California, is December, with an average of 9h and 54min of daylight.
Average temperature
Mount Wilson, CA
The warmest month (with the highest average high temperature) is August (86.2°F).
The month with the lowest average high temperature is December (58.5°F).
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (43.3°F).
Average pressure
Mount Wilson, CA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.89"Hg - Average pressure in September:
29.89"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Mount Wilson, CA
- Average wind speed in January:
5.8mph - Average wind speed in February:
5.4mph - Average wind speed in March:
5.5mph - Average wind speed in April:
6mph - Average wind speed in May:
5.9mph - Average wind speed in June:
5.4mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
4.8mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5mph - Average wind speed in November:
5.4mph - Average wind speed in December:
5.7mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity
Mount Wilson, CA
The month with the highest relative humidity is March (56%).
The month with the lowest relative humidity is August (45%).
Average rainfall
Mount Wilson, CA
- Average rainfall in January:
1.42" - Average rainfall in February:
1.73" - Average rainfall in March:
1.02" - Average rainfall in April:
0.63" - Average rainfall in May:
0.24" - Average rainfall in June:
0.08"
The wettest month (with the highest rainfall) is February (1.73").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days
Mount Wilson, CA
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
6.4 days - Average rainfall days in April:
5.2 days - Average rainfall days in May:
3.2 days - Average rainfall days in June:
1.3 days
- Average rainfall days in July:
4.5 days - Average rainfall days in August:
2.8 days - Average rainfall days in September:
3.4 days - Average rainfall days in October:
3.2 days - Average rainfall days in November:
3.9 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is March (6.4 days).
The month with the least rainy days is June (1.3 days).
Average snowfall
Mount Wilson, CA
The month with the highest snowfall is December (2.99").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Mount Wilson, CA
- Average snowfall days in January:
0.5 days - Average snowfall days in February:
1.3 days - Average snowfall days in March:
0.5 days - Average snowfall days in April:
0.4 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:
0.3 days - Average snowfall days in December:
0.5 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Mount Wilson, CA
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
6h and 5min - Average sunshine in February:
6h and 5min - Average sunshine in March:
8h and 5min - Average sunshine in April:
11h and 2min - Average sunshine in May:
11h and 4min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 1min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 5min - Average sunshine in October:
8h and 4min - Average sunshine in November:
7h and 2min - Average sunshine in December:
6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).
Average sunshine days
Mount Wilson, CA
- Average sunshine days in January:
25.1 days - Average sunshine days in February:
21.4 days - Average sunshine days in March:
24.2 days - Average sunshine days in April:
24.3 days - Average sunshine days in May:
26.5 days - Average sunshine days in June:
27.9 days
- Average sunshine days in July:
24.2 days - Average sunshine days in August:
26.2 days - Average sunshine days in September:
25.6 days - Average sunshine days in October:
26.5 days - Average sunshine days in November:
25.5 days - Average sunshine days in December:
23.7 days
The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (21.4 days).
Average UV index
Mount Wilson, CA
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover
Mount Wilson, CA
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility
Mount Wilson, 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).
Mount Wilson, California, USA
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