Climate and monthly weather forecastOrinda, CA
Climate and monthly weather forecast
Weather in January
January is a refreshing winter month in Orinda, California, with an average temperature fluctuating between 56.5°F (13.6°C) and 43.3°F (6.3°C). January's beginning signals an average high-temperature of a moderate 56.5°F (13.6°C), barely different from December's 55.2°F (12.9°C). Weather in January »Weather in February
The last month of the winter, February, is also a moderate month in Orinda, California, with an average temperature ranging between max 59.4°F (15.2°C) and min 44.1°F (6.7°C). January's transformation into February witnesses an average high-temperature of a still refreshing 59.4°F (15.2°C), noting a minor change from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a refreshing month in Orinda, California, with an average temperature ranging between max 61.7°F (16.5°C) and min 45.1°F (7.3°C). In March, Orinda notes an average high-temperature of a still refreshing 61.7°F (16.5°C), hardly different from the preceding month. Weather in March »Weather in April
April, like March, in Orinda, California, is another refreshing spring month, with an average temperature varying between 47.3°F (8.5°C) and 66.7°F (19.3°C). In the transition from March to April, Orinda reports an average high-temperature of a still enjoyable 66.7°F (19.3°C), indicating a close resemblance to the prior month. Weather in April »Weather in May
May, the last month of the spring in Orinda, is a pleasant month, with an average temperature fluctuating between 50.2°F (10.1°C) and 70.3°F (21.3°C). Orinda, California, marks the onset of May with an average high-temperature of a pleasant 70.3°F (21.3°C), a subtle shift from April's 66.7°F (19.3°C). Weather in May »Weather in June
June, the first month of the summer in Orinda, is a moderately hot month, with an average temperature varying between 77.4°F (25.2°C) and 54.1°F (12.3°C). Orinda in June observes a minor temperature shift, with average high-temperatures adjusting from a pleasant 70.3°F (21.3°C) in May to a warm 77.4°F (25.2°C). Weather in June »Weather in July
July, like June, in Orinda, California, is another warm summer month, with an average temperature varying between 55.6°F (13.1°C) and 80.1°F (26.7°C). Orinda's warmest temperatures are experienced in July, with average high temperatures of 80.1°F (26.7°C) and lows of 55.6°F (13.1°C). Weather in July »Weather in August
August, the last month of the summer in Orinda, is also a moderately hot month, with an average temperature varying between 56.8°F (13.8°C) and 79.3°F (26.3°C). As July transitions into August, Orinda records an average high-temperature of a still warm 79.3°F (26.3°C), showing a gentle shift from the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Orinda, California, with an average temperature ranging between max 79.5°F (26.4°C) and min 56.8°F (13.8°C). At the start of September, Orinda's average high-temperature reaches a still moderately hot 79.5°F (26.4°C), subtly different from the preceding month. Weather in September »Weather in October
October, like September, is an agreeable autumn month in Orinda, California, with an average temperature varying between 54.1°F (12.3°C) and 72.5°F (22.5°C). The onset of October aligns with a soft reduction in the average high-temperature, gently falling from a moderately hot 79.5°F (26.4°C) in September to an agreeable 72.5°F (22.5°C). Weather in October »Weather in November
November, the last month of the autumn in Orinda, is another comfortable month, with an average temperature fluctuating between 63.3°F (17.4°C) and 48°F (8.9°C). November involves a decrease in temperature, down from an agreeable 72.5°F (22.5°C) in October to a comfortable 63.3°F (17.4°C). Weather in November »Weather in December
December, the first month of the winter in Orinda, is also a fresh month, with an average temperature varying between 43.7°F (6.5°C) and 55.2°F (12.9°C). In Orinda, December records the lowest average temperatures, peaking at 55.2°F (12.9°C) and reaching a low of 43.7°F (6.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Orinda, CA
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (55.2°F).
The months with the highest average low temperature are August and September (56.8°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).
Average pressure
Orinda, 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:
29.98"Hg - Average pressure in June:
29.92"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 months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed
Orinda, CA
- Average wind speed in January:
4.8mph - Average wind speed in February:
5.7mph - Average wind speed in March:
6.1mph - Average wind speed in April:
6.5mph - Average wind speed in May:
7.2mph - Average wind speed in June:
7mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.2mph - Average wind speed in September:
5.5mph - Average wind speed in October:
4.9mph - Average wind speed in November:
4.6mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is May (7.2mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).
Average humidity
Orinda, CA
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is October (60%).
Average rainfall
Orinda, CA
- Average rainfall in January:
2.13" - Average rainfall in February:
2.6" - Average rainfall in March:
2.17" - Average rainfall in April:
0.71" - Average rainfall in May:
0.63" - Average rainfall in June:
0.12"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.12" - Average rainfall in October:
0.59" - Average rainfall in November:
1.42" - Average rainfall in December:
2.05"
The wettest month (with the highest rainfall) is February (2.6").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days
Orinda, CA
- Average rainfall days in January:
10.1 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
13.1 days - Average rainfall days in April:
7.8 days - Average rainfall days in May:
5.3 days - Average rainfall days in June:
1.8 days
- Average rainfall days in July:
1.4 days - Average rainfall days in August:
0.8 days - Average rainfall days in September:
2.8 days - Average rainfall days in October:
4.8 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
10.7 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is August (0.8 days).
Average daylight / Average sunshine
Orinda, 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 42min
- 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 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
6h and 6min - Average sunshine in February:
6h and 6min - Average sunshine in March:
7h and 48min - Average sunshine in April:
10h and 24min - Average sunshine in May:
10h and 48min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 54min - Average sunshine in September:
11h and 6min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 36min - Average sunshine in December:
5h and 48min
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 48min).
Average sunshine days
Orinda, CA
- Average sunshine days in January:
19.7 days - Average sunshine days in February:
18 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
20.9 days - Average sunshine days in May:
23.5 days - Average sunshine days in June:
26.2 days
- Average sunshine days in July:
27.4 days - Average sunshine days in August:
27.8 days - Average sunshine days in September:
25.9 days - Average sunshine days in October:
25.2 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
19.2 days
The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (16.3 days).
Average UV index
Orinda, CA
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Orinda, CA
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility
Orinda, 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).





