Climate and monthly weather forecastChiriaco Summit, CA
Climate and monthly weather forecast
Weather in January
January is a comfortable winter month in Chiriaco Summit, California, with temperature in the range of an average high of 62.2°F (16.8°C) and an average low of 47.3°F (8.5°C). During January, Chiriaco Summit observes a subtle ascent to an enjoyable 62.2°F (16.8°C) from December's 60.6°F (15.9°C) in the average high-temperature. Weather in January »Weather in February
February, the last month of the winter in Chiriaco Summit, is also an enjoyable month, with an average temperature varying between 64°F (17.8°C) and 48.6°F (9.2°C). During February, the average high-temperature is a still enjoyable 64°F (17.8°C), maintaining a close resemblance to that of the preceding month. Weather in February »Weather in March
March, the first month of the spring in Chiriaco Summit, is a pleasant month, with an average temperature fluctuating between 69.8°F (21°C) and 52.3°F (11.3°C). March's onset witnesses a minor shift in the average high-temperature, moving from an enjoyable 64°F (17.8°C) in February to a pleasant 69.8°F (21°C). Weather in March »Weather in April
April is a moderately hot spring month in Chiriaco Summit, California, with an average temperature varying between 75.9°F (24.4°C) and 55.4°F (13°C). Chiriaco Summit's transition into April brings a slight rise in the average high-temperature, moving from an agreeable 69.8°F (21°C) in March to a moderately hot 75.9°F (24.4°C). Weather in April »Weather in May
The last month of the spring, May, is another warm month in Chiriaco Summit, California, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 61°F (16.1°C). The embrace of May brings a minor uplift in the average high-temperature, shifting from 75.9°F (24.4°C) in April to a still moderately hot 82°F (27.8°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Chiriaco Summit, California, with an average temperature varying between 68.5°F (20.3°C) and 91.8°F (33.2°C). As June begins, there is an increase in the average high-temperature, moving from a moderately hot 82°F (27.8°C) in May to a tropical 91.8°F (33.2°C). Weather in June »Weather in July
July is a very hot summer month in Chiriaco Summit, California, with an average temperature ranging between max 95.4°F (35.2°C) and min 75.2°F (24°C). The temperatures reach their highest averages in July, with highs of 95.4°F (35.2°C) and lows of 75.2°F (24°C). In July, the average relative humidity is 30%. Weather in July »Weather in August
August, the last month of the summer in Chiriaco Summit, is also a hot month, with an average temperature fluctuating between 94.6°F (34.8°C) and 76.3°F (24.6°C). The advent of August presents an average high-temperature of a hot 94.6°F (34.8°C), maintaining a close correlation with the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Chiriaco Summit, is also a hot month, with temperature in the range of an average low of 72°F (22.2°C) and an average high of 88.7°F (31.5°C). As September arrives, Chiriaco Summit's weather displays a minor decrease in high-temperatures, transitioning from August's hot 94.6°F (34.8°C) to a still tropical 88.7°F (31.5°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Chiriaco Summit, California, with temperature in the range of an average low of 63.1°F (17.3°C) and an average high of 79.5°F (26.4°C). October's arrival correlates with a reduction in the average high-temperature, down from a hot 88.7°F (31.5°C) in September to a moderately hot 79.5°F (26.4°C). Weather in October »Weather in November
November, the last month of the autumn in Chiriaco Summit, is another pleasant month, with an average temperature fluctuating between 69.8°F (21°C) and 54°F (12.2°C). The shift to November brings a decrease in the average high-temperature, falling from a moderately hot 79.5°F (26.4°C) in October to an agreeable 69.8°F (21°C). Weather in November »Weather in December
The first month of the winter, December, is still a mild month in Chiriaco Summit, California, with temperature in the range of an average high of 60.6°F (15.9°C) and an average low of 46.8°F (8.2°C). Chiriaco Summit's December weather, with an average high temperature of 60.6°F (15.9°C) and an average low temperature of 46.8°F (8.2°C), tends to be the coldest of the year. Weather in December »Updated: Jun 27, 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 Chiriaco Summit, during the entire year, the rain falls for 46.2 days and collects up to 4.09" (104mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Chiriaco Summit, 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 May and June Rain falls for 2.3 days and accumulates 0.12" (3mm) of rain.
June is the least humid month, with an average relative humidity of 29%.
The month with the longest days is June, with an average of 14h and 24min of daylight.
June has the most sunshine of the year, with an average of 12.2h of sunshine.
July brings the highest temperatures, with an average high of 95.4°F (35.2°C) and an average low of 75.2°F (24°C).
The month with the most rainfall is July, when the rain falls for 6.9 days and typically aggregates up to 0.79" (20mm) of precipitation.
With an average maximum UV index of 8, July is the month with the highest UV index.
The month of December, characterized by an average high of 60.6°F (15.9°C) and a low of 46.8°F (8.2°C), is recognized as the coldest.
With an average relative humidity of 46%, December is the most humid month.
December has the shortest days of the year, with an average of 10h and 0min of daylight.
With an average of 7.1h of sunshine, December has the least sunshine of the year.
The month with the lowest UV index is December, with an average maximum UV index of 3.
Average temperature
Chiriaco Summit, CA
The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is December (60.6°F).
The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).
Average pressure
Chiriaco Summit, CA
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
29.98"Hg - Average pressure in April:
29.9"Hg - Average pressure in May:
29.85"Hg - Average pressure in June:
29.8"Hg
- Average pressure in July:
29.83"Hg - Average pressure in August:
29.82"Hg - Average pressure in September:
29.83"Hg - Average pressure in October:
29.9"Hg - Average pressure in November:
30.01"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed
Chiriaco Summit, CA
- Average wind speed in January:
5.5mph - Average wind speed in February:
6.2mph - Average wind speed in March:
7.2mph - Average wind speed in April:
8.1mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.4mph - Average wind speed in September:
6.4mph - Average wind speed in October:
6.7mph - Average wind speed in November:
5.8mph - Average wind speed in December:
5.8mph
The windiest month (with the highest average wind speed) is May (8.2mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity
Chiriaco Summit, CA
The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (29%).
Average rainfall
Chiriaco Summit, CA
- Average rainfall in January:
0.43" - Average rainfall in February:
0.39" - Average rainfall in March:
0.24" - Average rainfall in April:
0.24" - Average rainfall in May:
0.12" - Average rainfall in June:
0.12"
- Average rainfall in July:
0.79" - Average rainfall in August:
0.55" - Average rainfall in September:
0.31" - Average rainfall in October:
0.2" - Average rainfall in November:
0.16" - Average rainfall in December:
0.55"
The wettest month (with the highest rainfall) is July (0.79").
The driest months (with the least rainfall) are May and June (0.12").
Average rainfall days
Chiriaco Summit, CA
- Average rainfall days in January:
4.7 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
3.8 days - Average rainfall days in April:
4.2 days - Average rainfall days in May:
2.3 days - Average rainfall days in June:
1.5 days
- Average rainfall days in July:
6.9 days - Average rainfall days in August:
4.9 days - Average rainfall days in September:
5 days - Average rainfall days in October:
2.4 days - Average rainfall days in November:
1.8 days - Average rainfall days in December:
5 days
The month with the highest number of rainy days is July (6.9 days).
The month with the least rainy days is June (1.5 days).
Average daylight / Average sunshine
Chiriaco Summit, CA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
7h and 18min - Average sunshine in February:
7h and 24min - Average sunshine in March:
9h and 6min - Average sunshine in April:
11h and 42min - Average sunshine in May:
12h and 6min - Average sunshine in June:
12h and 12min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 24min - Average sunshine in October:
9h and 36min - Average sunshine in November:
7h and 36min - Average sunshine in December:
7h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days
Chiriaco Summit, CA
- Average sunshine days in January:
24.9 days - Average sunshine days in February:
22.7 days - Average sunshine days in March:
25.9 days - Average sunshine days in April:
25.8 days - Average sunshine days in May:
27.3 days - Average sunshine days in June:
27.3 days
- Average sunshine days in July:
19.4 days - Average sunshine days in August:
21 days - Average sunshine days in September:
23.1 days - Average sunshine days in October:
27.4 days - Average sunshine days in November:
27.3 days - Average sunshine days in December:
24.2 days
The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is July (19.4 days).
Average UV index
Chiriaco Summit, CA
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Chiriaco Summit, CA
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).
Average visibility
Chiriaco Summit, 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).
