Climate and monthly weather forecastCotati, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Cotati, California, is another refreshing winter month, with temperature in the range of an average high of 57°F (13.9°C) and an average low of 43.2°F (6.2°C). The commencement of January records an average high-temperature of a still moderate 57°F (13.9°C), barely varying from December's 55.6°F (13.1°C). Weather in January »Weather in February
The last month of the winter, February, is also a moderate month in Cotati, California, with an average temperature fluctuating between 58.6°F (14.8°C) and 42.6°F (5.9°C). Cotati's February showcases an average high-temperature of a still mild 58.6°F (14.8°C), hardly distinct from January's 57°F (13.9°C). Weather in February »Weather in March
The first month of the spring, March, is still a refreshing month in Cotati, California, with an average temperature fluctuating between 60.4°F (15.8°C) and 44.1°F (6.7°C). The onset of March manifests an average high-temperature of a still moderate 60.4°F (15.8°C), demonstrating a minor variation from the preceding month. Weather in March »Weather in April
April is an enjoyable spring month in Cotati, California, with an average temperature varying between 45.5°F (7.5°C) and 64.9°F (18.3°C). In April, Cotati notes an average high-temperature of a comfortable 64.9°F (18.3°C), hardly different from the preceding month. Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Cotati, California, with an average temperature fluctuating between 48.6°F (9.2°C) and 69.3°F (20.7°C). The beginning of May records an average high-temperature of a pleasant 69.3°F (20.7°C), marking a negligible difference from April's 64.9°F (18.3°C). Weather in May »Weather in June
June, the first month of the summer in Cotati, is a warm month, with an average temperature ranging between max 76.5°F (24.7°C) and min 52.9°F (11.6°C). Cotati's weather shows a minor temperature rise with the arrival of June, moving from a pleasant 69.3°F (20.7°C) in May to a warm 76.5°F (24.7°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Cotati, California, with an average temperature fluctuating between 54.5°F (12.5°C) and 79.9°F (26.6°C). July and August, when the average high-temperature reaches 79.9°F (26.6°C), are the warmest months. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Cotati, California, with an average temperature fluctuating between 79.9°F (26.6°C) and 55°F (12.8°C). July and August are characterised by peak temperatures, with an average high of 79.9°F (26.6°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Cotati, California, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 79.3°F (26.3°C). Transitioning from August to September, Cotati observes an average high-temperature of a still moderately hot 79.3°F (26.3°C), differing subtly from the previous month. Weather in September »Weather in October
October, the same as September, in Cotati, California, is an agreeable autumn month, with an average temperature ranging between max 72.3°F (22.4°C) and min 51.8°F (11°C). October's arrival subtly correlates with a reduction in the average high-temperature, down from a moderately hot 79.3°F (26.3°C) in September to an agreeable 72.3°F (22.4°C). Weather in October »Weather in November
November, the last month of the autumn in Cotati, is another comfortable month, with an average temperature fluctuating between 46°F (7.8°C) and 63.5°F (17.5°C). The onset of November is marked by a minor decrease in temperature, transitioning from an agreeable 72.3°F (22.4°C) in October to an enjoyable 63.5°F (17.5°C). Weather in November »Weather in December
December, the first month of the winter in Cotati, is still a mild month, with an average temperature fluctuating between 42.4°F (5.8°C) and 55.6°F (13.1°C). Cotati's coldest temperatures are experienced in December, with average high temperatures of 55.6°F (13.1°C) and lows of 42.4°F (5.8°C). Weather in December »Updated: Aug 10, 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
Throughout the year, in Cotati, there are 44.3 rainfall days, and 3.78" (96mm) of precipitation is accumulated.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.
February is the month with the most rainfall. Rain falls for 5.3 days and accumulates 0.91" (23mm) of precipitation.
The most humid month is March, with an average relative humidity of 77%.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
June through September are months with the least rain when the rain falls for 0.8 days and typically aggregates up to 0.04" (1mm) of rain.
With an average of 14h and 48min of daylight, June has the longest days of the year.
June is the month with the highest UV index, with an average maximum UV index of 6.
Cotati witnesses its highest temperatures in July and August, reaching an average of 79.9°F (26.6°C).
The month with the most sunshine is July, with an average of 11.9h of sunshine.
With an average relative humidity of 62%, September is the least humid month.
The coldest month is December, with an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 42.4°F (5.8°C).
December has the shortest days of the year, with an average of 9h and 30min of daylight.
The month with the least sunshine is December, with an average of 5.7h of sunshine.
Average temperature
Cotati, CA
The warmest months (with the highest average high temperature) are July and August (79.9°F).
The month with the lowest average high temperature is December (55.6°F).
The months with the highest average low temperature are August and September (55°F).
The coldest month (with the lowest average low temperature) is December (42.4°F).
Average pressure
Cotati, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.07"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 (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed
Cotati, CA
- Average wind speed in January:
5.1mph - Average wind speed in February:
5.8mph - Average wind speed in March:
6.2mph - Average wind speed in April:
6.7mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.4mph - Average wind speed in August:
5.1mph - Average wind speed in September:
5mph - Average wind speed in October:
4.9mph - Average wind speed in November:
4.7mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity
Cotati, CA
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is September (62%).
Average rainfall
Cotati, CA
- Average rainfall in January:
0.51" - Average rainfall in February:
0.91" - Average rainfall in March:
0.55" - Average rainfall in April:
0.16" - Average rainfall in May:
0.24" - 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:
0.43" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is February (0.91").
The driest months (with the least rainfall) are June, July, August and September (0.04").
Average rainfall days
Cotati, CA
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
8.7 days - Average rainfall days in April:
4.8 days - Average rainfall days in May:
2.9 days - Average rainfall days in June:
0.8 days
- Average rainfall days in July:
1 days - Average rainfall days in August:
0.5 days - Average rainfall days in September:
1.7 days - Average rainfall days in October:
2.5 days - Average rainfall days in November:
4.1 days - Average rainfall days in December:
6.4 days
The month with the highest number of rainy days is March (8.7 days).
The month with the least rainy days is August (0.5 days).
Average daylight / Average sunshine
Cotati, 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 18min - 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 30min
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 30min).
- Average sunshine in January:
5h and 48min - Average sunshine in February:
6h and 12min - Average sunshine in March:
7h and 30min - Average sunshine in April:
10h and 12min - Average sunshine in May:
10h and 36min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
11h and 54min - 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 30min - Average sunshine in December:
5h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Cotati, CA
- Average sunshine days in January:
23.8 days - Average sunshine days in February:
21.2 days - Average sunshine days in March:
20.8 days - Average sunshine days in April:
24 days - Average sunshine days in May:
26.6 days - Average sunshine days in June:
27.7 days
- Average sunshine days in July:
27.6 days - Average sunshine days in August:
27.1 days - Average sunshine days in September:
27.5 days - Average sunshine days in October:
26.8 days - Average sunshine days in November:
23.8 days - Average sunshine days in December:
22.5 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is March (20.8 days).
Average UV index
Cotati, 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
Cotati, CA
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility
Cotati, 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).
