Climate and monthly weather forecastCalpine, CA
Climate and monthly weather forecast
Weather in January
January, like December, in Calpine, California, is an icy winter month, with an average temperature varying between 23.2°F (-4.9°C) and 38.8°F (3.8°C). The average high-temperature during January registers at a still cold 38.8°F (3.8°C), closely corresponding to the preceding month. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Calpine, California, with an average temperature ranging between min 22.8°F (-5.1°C) and max 39.6°F (4.2°C). The shift from January to February is characterized by an average high-temperature of a still icy 39.6°F (4.2°C), not significantly different from the 38.8°F (3.8°C) of January. Weather in February »Weather in March
March, the first month of the spring in Calpine, is a chilly month, with an average temperature fluctuating between 43.2°F (6.2°C) and 25.3°F (-3.7°C). Calpine notes an average high-temperature of a frosty 43.2°F (6.2°C) in March, hardly diverging from February. Weather in March »Weather in April
April in Calpine, California, is a cool spring month, with temperature in the range of an average low of 29.7°F (-1.3°C) and an average high of 51.4°F (10.8°C). Calpine's April weather indicates a minor increase in high-temperatures, edging from March's frosty 43.2°F (6.2°C) to a cool 51.4°F (10.8°C). Weather in April »Weather in May
May, the last month of the spring in Calpine, is a refreshing month, with temperature in the range of an average low of 35.8°F (2.1°C) and an average high of 60.6°F (15.9°C). May brings a temperature increase, with average high-temperatures moving from April's fresh 51.4°F (10.8°C) to a refreshing 60.6°F (15.9°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Calpine, California, with temperature in the range of an average high of 72.7°F (22.6°C) and an average low of 42.1°F (5.6°C). Calpine sees an increase in the average high-temperature with the arrival of June, moving from May's moderate 60.6°F (15.9°C) to an agreeable 72.7°F (22.6°C). Weather in June »Weather in July
July is a moderately hot summer month in Calpine, California, with an average temperature ranging between max 82.9°F (28.3°C) and min 47.5°F (8.6°C). July is the month when Calpine sees the highest average temperatures, with a high of 82.9°F (28.3°C) and a low of 47.5°F (8.6°C). The heat index value during July is calculated to be 82.4°F (28°C). Weather in July »Weather in August
August, the last month of the summer in Calpine, is another warm month, with an average temperature varying between 46°F (7.8°C) and 81.1°F (27.3°C). The arrival of August marks a slight shift to an average high-temperature of a still warm 81.1°F (27.3°C) from July's 82.9°F (28.3°C). Weather in August »Weather in September
September, the first month of the autumn in Calpine, is still a warm month, with an average temperature ranging between min 42.3°F (5.7°C) and max 73.8°F (23.2°C). The move into September indicates a slight reduction in the average high-temperature, down from August's 81.1°F (27.3°C) to a still moderately hot 73.8°F (23.2°C). Weather in September »Weather in October
October, the same as September, in Calpine, California, is another refreshing autumn month, with an average temperature varying between 60.4°F (15.8°C) and 34.9°F (1.6°C). The beginning of October marks a decrease in the average high-temperature, transitioning from a warm 73.8°F (23.2°C) in September to a refreshing 60.4°F (15.8°C). Weather in October »Weather in November
November, the last month of the autumn in Calpine, is another chilly month, with an average temperature varying between 27°F (-2.8°C) and 47.3°F (8.5°C). Calpine's progression into November involves a drop in the average high-temperature, receding from a mild 60.4°F (15.8°C) in October to a frosty 47.3°F (8.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Calpine, California, with an average temperature fluctuating between 37.2°F (2.9°C) and 21.6°F (-5.8°C). December, recording an average high temperature of 37.2°F (2.9°C) and a low temperature of 21.6°F (-5.8°C), is Calpine's coldest month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Calpine, CA
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).
Average pressure
Calpine, CA
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
30"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Calpine, CA
- Average wind speed in January:
5.7mph - Average wind speed in February:
6.2mph - Average wind speed in March:
6.6mph - Average wind speed in April:
6.4mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.3mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.2mph - Average wind speed in October:
5.5mph - Average wind speed in November:
5.5mph - Average wind speed in December:
5.7mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).
Average humidity
Calpine, CA
The months with the highest relative humidity are January and March (81%).
The months with the lowest relative humidity are July and August (40%).
Average rainfall
Calpine, CA
- Average rainfall in January:
3.62" - Average rainfall in February:
3.58" - Average rainfall in March:
4.02" - Average rainfall in April:
1.97" - Average rainfall in May:
2.05" - Average rainfall in June:
0.43"
- Average rainfall in July:
0.24" - Average rainfall in August:
0.2" - Average rainfall in September:
0.43" - Average rainfall in October:
0.91" - Average rainfall in November:
1.85" - Average rainfall in December:
3.66"
The wettest month (with the highest rainfall) is March (4.02").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days
Calpine, CA
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
6.3 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
10.6 days - Average rainfall days in May:
11.8 days - Average rainfall days in June:
5.3 days
- Average rainfall days in July:
3.3 days - Average rainfall days in August:
3.4 days - Average rainfall days in September:
4.5 days - Average rainfall days in October:
5 days - Average rainfall days in November:
6.2 days - Average rainfall days in December:
6.8 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall
Calpine, CA
- Average snowfall in January:
19.09" - Average snowfall in February:
18.46" - Average snowfall in March:
22.48" - Average snowfall in April:
8.58" - Average snowfall in May:
2.76" - Average snowfall in June:
0.28"
The month with the highest snowfall is December (22.52").
The months with the least snowfall are July and August (0").
Average snowfall days
Calpine, CA
- Average snowfall days in January:
10.5 days - Average snowfall days in February:
11.4 days - Average snowfall days in March:
14.7 days - Average snowfall days in April:
8.1 days - Average snowfall days in May:
2.8 days - Average snowfall days in June:
0.5 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.4 days - Average snowfall days in October:
1.2 days - Average snowfall days in November:
6.9 days - Average snowfall days in December:
12.8 days
The month with the highest number of snowfall days is March (14.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Calpine, CA
- Average daylight in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
14h and 54min
- Average daylight in July:
14h and 36min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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 24min).
- Average sunshine in January:
5h - Average sunshine in February:
5h and 36min - Average sunshine in March:
7h - Average sunshine in April:
9h and 36min - Average sunshine in May:
10h and 36min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
12h - Average sunshine in August:
11h and 48min - Average sunshine in September:
11h - Average sunshine in October:
7h and 12min - Average sunshine in November:
6h and 24min - Average sunshine in December:
5h and 12min
The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5h).
Average sunshine days
Calpine, CA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
15 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
16.6 days - Average sunshine days in June:
23.7 days
- Average sunshine days in July:
25.8 days - Average sunshine days in August:
26 days - Average sunshine days in September:
25 days - Average sunshine days in October:
24.8 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is August (26 days).
The month with the least sunshine days is March (11.8 days).
Average UV index
Calpine, CA
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover
Calpine, CA
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility
Calpine, CA
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).





