Climate and monthly weather forecastPleasant Hill, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Pleasant Hill, California, is another mild winter month, with an average temperature fluctuating between 56.8°F (13.8°C) and 42.3°F (5.7°C). In Pleasant Hill, January's average high-temperature stands at a still moderate 56.8°F (13.8°C), closely related to the preceding month. Weather in January »Weather in February
February, the last month of the winter in Pleasant Hill, is another mild month, with an average temperature ranging between max 60.1°F (15.6°C) and min 43°F (6.1°C). Pleasant Hill records an average high-temperature of a still moderate 60.1°F (15.6°C) in February, closely mirroring the climate of the previous month. Weather in February »Weather in March
The first month of the spring, March, is a comfortable month in Pleasant Hill, California, with an average temperature varying between 44.2°F (6.8°C) and 63.1°F (17.3°C). The introduction of March notes a subtle temperature variation to a comfortable 63.1°F (17.3°C) from February's 60.1°F (15.6°C). Weather in March »Weather in April
April in Pleasant Hill, California, is a pleasant spring month, with an average temperature fluctuating between 46.8°F (8.2°C) and 68.7°F (20.4°C). With the onset of April, the average high-temperature subtly transitions from an enjoyable 63.1°F (17.3°C) in March to a pleasant 68.7°F (20.4°C). Weather in April »Weather in May
The last month of the spring, May, is also an agreeable month in Pleasant Hill, California, with an average temperature ranging between max 73.2°F (22.9°C) and min 50.2°F (10.1°C). With May's arrival, Pleasant Hill, California, notes an average high-temperature of a still agreeable 73.2°F (22.9°C), closely following the trend of the preceding month. Weather in May »Weather in June
June, the first month of the summer in Pleasant Hill, is a warm month, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 80.2°F (26.8°C). June's arrival coincides with a subtle temperature rise, moving from May's pleasant 73.2°F (22.9°C) to a moderately hot 80.2°F (26.8°C). Weather in June »Weather in July
July, like June, in Pleasant Hill, California, is a moderately hot summer month, with an average temperature fluctuating between 55.9°F (13.3°C) and 83.7°F (28.7°C). The warmest month is July, with an average high-temperature of 83.7°F (28.7°C) and an average low-temperature of 55.9°F (13.3°C). Throughout July, the heat index is evaluated at a tropical 86°F (30°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Pleasant Hill, California, with an average temperature ranging between min 57.2°F (14°C) and max 82.8°F (28.2°C). August commences with an average high-temperature of a still moderately hot 82.8°F (28.2°C), showing little deviation from July's 83.7°F (28.7°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Pleasant Hill, California, with an average temperature fluctuating between 57.4°F (14.1°C) and 81.9°F (27.7°C). Pleasant Hill, California, measures an average high-temperature of a still moderately hot 81.9°F (27.7°C) in September, nearly consistent with the preceding month. Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Pleasant Hill, California, with temperature in the range of an average low of 54.1°F (12.3°C) and an average high of 74.8°F (23.8°C). The arrival of October corresponds with a minor reduction in the average high-temperature, down from September's 81.9°F (27.7°C) to a still warm 74.8°F (23.8°C). Weather in October »Weather in November
November, the last month of the autumn in Pleasant Hill, is another comfortable month, with an average temperature ranging between min 47.1°F (8.4°C) and max 63.5°F (17.5°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's warm 74.8°F (23.8°C) to a comfortable 63.5°F (17.5°C). Weather in November »Weather in December
December, the first month of the winter in Pleasant Hill, is also a moderate month, with an average temperature ranging between min 42.4°F (5.8°C) and max 55.6°F (13.1°C). December is the month that records the lowest temperatures, with averages ranging from a high of 55.6°F (13.1°C) to a low of 42.4°F (5.8°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Pleasant Hill, CA
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is December (55.6°F).
The month with the highest average low temperature is September (57.4°F).
The coldest month (with the lowest average low temperature) is January (42.3°F).
Average pressure
Pleasant Hill, 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:
29.93"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
Pleasant Hill, CA
- Average wind speed in January:
4.7mph - Average wind speed in February:
5.5mph - Average wind speed in March:
6mph - Average wind speed in April:
6.6mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7.5mph
The windiest month (with the highest average wind speed) is May (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).
Average humidity
Pleasant Hill, CA
The months with the highest relative humidity are January and March (73%).
The month with the lowest relative humidity is September (56%).
Average rainfall
Pleasant Hill, CA
- Average rainfall in January:
0.67" - Average rainfall in February:
0.87" - Average rainfall in March:
0.63" - Average rainfall in April:
0.16" - Average rainfall in May:
0.2" - Average rainfall in June:
0.04"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.04" - Average rainfall in October:
0.16" - Average rainfall in November:
0.39" - Average rainfall in December:
0.59"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days
Pleasant Hill, CA
- Average rainfall days in January:
6.5 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
5.3 days - Average rainfall days in May:
2.8 days - Average rainfall days in June:
0.9 days
- Average rainfall days in July:
1.3 days - Average rainfall days in August:
0.5 days - Average rainfall days in September:
1.8 days - Average rainfall days in October:
2.6 days - Average rainfall days in November:
4.5 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is March (9.8 days).
The month with the least rainy days is August (0.5 days).
Average daylight / Average sunshine
Pleasant Hill, CA
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 12min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
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:
5h and 54min - Average sunshine in February:
6h and 0min - Average sunshine in March:
7h and 42min - Average sunshine in April:
10h and 12min - Average sunshine in May:
10h and 42min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 48min - Average sunshine in September:
11h and 0min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 24min - Average sunshine in December:
5h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Pleasant Hill, CA
- Average sunshine days in January:
23.3 days - Average sunshine days in February:
21.3 days - Average sunshine days in March:
20 days - Average sunshine days in April:
24.1 days - Average sunshine days in May:
27 days - Average sunshine days in June:
28.3 days
- Average sunshine days in July:
29.5 days - Average sunshine days in August:
29.4 days - Average sunshine days in September:
27.8 days - Average sunshine days in October:
27.2 days - Average sunshine days in November:
24.2 days - Average sunshine days in December:
22.2 days
The month with the most sunshine days is July (29.5 days).
The month with the least sunshine days is March (20 days).
Average UV index
Pleasant Hill, CA
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Pleasant Hill, CA
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility
Pleasant Hill, 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).





