Climate and monthly weather forecastCallahan, CA
Climate and monthly weather forecast
Weather in January
January is a chilly winter month in Callahan, California, with temperature in the range of an average low of 28.8°F (-1.8°C) and an average high of 43.3°F (6.3°C). The onset of January marks an average high-temperature of a chilly 43.3°F (6.3°C), hardly differing from December's 41°F (5°C). Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Callahan, California, with an average temperature varying between 44.2°F (6.8°C) and 28.4°F (-2°C). With February's arrival, Callahan's weather records an average high-temperature of a still chilly 44.2°F (6.8°C), marking little difference from January's 43.3°F (6.3°C). Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Callahan, California, with an average temperature ranging between max 46.9°F (8.3°C) and min 30.4°F (-0.9°C). Callahan's March reports an average high-temperature of a still chilly 46.9°F (8.3°C), exhibiting a minor difference from February. Weather in March »Weather in April
April is a cool spring month in Callahan, California, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 54.7°F (12.6°C). Entering April, Callahan notices a subtle temperature elevation, with the average high-temperature advancing from March's frosty 46.9°F (8.3°C) to a cool 54.7°F (12.6°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Callahan, California, with an average temperature ranging between max 63.9°F (17.7°C) and min 38.8°F (3.8°C). The arrival of May sees a shift in the average high-temperature, moving from a fresh 54.7°F (12.6°C) in April to a comfortable 63.9°F (17.7°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Callahan, California, with an average temperature fluctuating between 73.9°F (23.3°C) and 45°F (7.2°C). The shift into June is characterized by a rise in the average high-temperature, transitioning from May's comfortable 63.9°F (17.7°C) to a moderately hot 73.9°F (23.3°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Callahan, California, with an average temperature fluctuating between 84.6°F (29.2°C) and 51.1°F (10.6°C). With average temperatures fluctuating between a high of 84.6°F (29.2°C) and a low of 51.1°F (10.6°C), July stands out as the warmest month. In July, the heat index is computed to be a tropical 86°F (30°C). Weather in July »Weather in August
August, the last month of the summer in Callahan, is also a moderately hot month, with an average temperature ranging between min 50.7°F (10.4°C) and max 83.8°F (28.8°C). The initiation of August records an average high-temperature of a still moderately hot 83.8°F (28.8°C), displaying a near consistency with the previous month. Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Callahan, California, with an average temperature ranging between max 76.1°F (24.5°C) and min 45.7°F (7.6°C). The arrival of September corresponds with a light shift in temperature, down from 83.8°F (28.8°C) in August to a still moderately hot 76.1°F (24.5°C). Weather in September »Weather in October
October, like September, in Callahan, California, is another refreshing autumn month, with an average temperature ranging between max 62.6°F (17°C) and min 38.5°F (3.6°C). Callahan, California, observes a minor decrease in the average high-temperature with the arrival of October, falling from September's moderately hot 76.1°F (24.5°C) to a refreshing 62.6°F (17°C). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Callahan, California, with an average temperature varying between 49.6°F (9.8°C) and 31.8°F (-0.1°C). With the onset of November, Callahan experiences a modest temperature adjustment, with the average high-temperature receding from a refreshing 62.6°F (17°C) in October to a frosty 49.6°F (9.8°C). Weather in November »Weather in December
December, the first month of the winter in Callahan, is also a wintry month, with temperature in the range of an average high of 41°F (5°C) and an average low of 27.1°F (-2.7°C). Callahan experiences its lowest temperatures in December, with an average peak of 41°F (5°C) and a low of 27.1°F (-2.7°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Callahan, CA
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is December (41°F).
The month with the highest average low temperature is July (51.1°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure
Callahan, CA
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed
Callahan, CA
- Average wind speed in January:
5mph - Average wind speed in February:
5.3mph - Average wind speed in March:
5.8mph - Average wind speed in April:
5.7mph - Average wind speed in May:
5mph - Average wind speed in June:
4.9mph
The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity
Callahan, CA
The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (45%).
Average rainfall
Callahan, CA
- Average rainfall in January:
3.86" - Average rainfall in February:
3.27" - Average rainfall in March:
4.17" - Average rainfall in April:
2.24" - Average rainfall in May:
2.17" - Average rainfall in June:
0.75"
- Average rainfall in July:
0.31" - Average rainfall in August:
0.31" - Average rainfall in September:
0.51" - Average rainfall in October:
1.5" - Average rainfall in November:
2.01" - Average rainfall in December:
3.66"
The wettest month (with the highest rainfall) is March (4.17").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days
Callahan, CA
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
14.6 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
7.9 days
- Average rainfall days in July:
4.3 days - Average rainfall days in August:
3.1 days - Average rainfall days in September:
4.9 days - Average rainfall days in October:
7 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
10.3 days
The month with the highest number of rainy days is March (14.6 days).
The month with the least rainy days is August (3.1 days).
Average snowfall
Callahan, CA
- Average snowfall in January:
13.9" - Average snowfall in February:
9.72" - Average snowfall in March:
14.02" - Average snowfall in April:
4.21" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is March (14.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Callahan, CA
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
7.9 days - Average snowfall days in March:
11.2 days - Average snowfall days in April:
4.7 days - Average snowfall days in May:
0.8 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:
0.2 days - Average snowfall days in October:
0.6 days - Average snowfall days in November:
4.7 days - Average snowfall days in December:
9.1 days
The month with the highest number of snowfall days is March (11.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Callahan, CA
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
5h and 42min - Average sunshine in February:
6h and 0min - Average sunshine in March:
7h and 30min - Average sunshine in April:
10h and 6min - Average sunshine in May:
10h and 54min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
12h and 6min - Average sunshine in August:
12h and 0min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 6min - Average sunshine in November:
6h and 36min - Average sunshine in December:
5h and 24min
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 24min).
Average sunshine days
Callahan, CA
- Average sunshine days in January:
14.7 days - Average sunshine days in February:
13.4 days - Average sunshine days in March:
10.9 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
15.1 days - Average sunshine days in June:
19.6 days
- Average sunshine days in July:
23.4 days - Average sunshine days in August:
24.1 days - Average sunshine days in September:
23.4 days - Average sunshine days in October:
21.5 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
14.7 days
The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is March (10.9 days).
Average UV index
Callahan, CA
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Callahan, CA
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility
Callahan, CA
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





