Climate and monthly weather forecastMendocino, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another fresh winter month in Mendocino, California, with an average temperature fluctuating between 54.9°F (12.7°C) and 46.9°F (8.3°C). Mendocino's average high-temperature in January is a still fresh 54.9°F (12.7°C), marking an insignificant difference from the 54.3°F (12.4°C) of December. Weather in January »Weather in February
The last month of the winter, February, is also a fresh month in Mendocino, California, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 54.3°F (12.4°C). February and December mark Mendocino's lowest temperatures, averaging a high-temperature of 54.3°F (12.4°C). Weather in February »Weather in March
March, the first month of the spring in Mendocino, is also a fresh month, with an average temperature varying between 54.9°F (12.7°C) and 45.7°F (7.6°C). Mendocino, California, in March witnesses an average high-temperature of a still fresh 54.9°F (12.7°C), indicating a slight variation from February's 54.3°F (12.4°C). Weather in March »Weather in April
April is a mild spring month in Mendocino, California, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 47.5°F (8.6°C). During April, Mendocino records an average high-temperature of a refreshing 56.8°F (13.8°C), marking a slight divergence from March's 54.9°F (12.7°C). Weather in April »Weather in May
The last month of the spring, May, is another mild month in Mendocino, California, with temperature in the range of an average high of 59.7°F (15.4°C) and an average low of 49.6°F (9.8°C). May experiences an average high-temperature of a still moderate 59.7°F (15.4°C), barely different from April's 56.8°F (13.8°C). Weather in May »Weather in June
The first month of the summer, June, is a comfortable month in Mendocino, California, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 52.5°F (11.4°C). Mendocino ushers in June with an average high-temperature of a comfortable 63.9°F (17.7°C), showing a close resemblance to the previous month. Weather in June »Weather in July
July, the same as June, is another enjoyable summer month in Mendocino, California, with temperature in the range of an average high of 66.4°F (19.1°C) and an average low of 54.5°F (12.5°C). Mendocino experiences a minor change to a still comfortable 66.4°F (19.1°C) in average high-temperature during July, closely reflecting June. Weather in July »Weather in August
August, the last month of the summer in Mendocino, is also an enjoyable month, with an average temperature ranging between max 66.4°F (19.1°C) and min 55°F (12.8°C). August reports an average high-temperature of a still comfortable 66.4°F (19.1°C), matching the temperature of July. Weather in August »Weather in September
The first month of the autumn, September, is also an enjoyable month in Mendocino, California, with an average temperature varying between 54.9°F (12.7°C) and 67.5°F (19.7°C). The highest temperatures are recorded in September, with averages reaching a high of 67.5°F (19.7°C) and a low of 54.9°F (12.7°C). Weather in September »Weather in October
October, like September, in Mendocino, California, is another refreshing autumn month, with an average temperature varying between 52.9°F (11.6°C) and 63°F (17.2°C). Mendocino's shift from September to October is accompanied by an average high-temperature of a still enjoyable 63°F (17.2°C), a slight deviation from 67.5°F (19.7°C). Weather in October »Weather in November
November, the last month of the autumn in Mendocino, is another refreshing month, with an average temperature fluctuating between 49.1°F (9.5°C) and 57.7°F (14.3°C). Mendocino's average high-temperature marks a moderate 57.7°F (14.3°C) with the advent of November, closely mirroring that of the preceding month. Weather in November »Weather in December
The first month of the winter, December, is also a fresh month in Mendocino, California, with an average temperature varying between 54.3°F (12.4°C) and 46.2°F (7.9°C). February and December, with an average high-temperature of 54.3°F (12.4°C), are the coldest months. Weather in December »Updated: Aug 26, 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
In Mendocino, during the entire year, the rain falls for 68.4 days and collects up to 9.53" (242mm) of precipitation.
In Mendocino, California, snow does not fall in January, March through December.
In Mendocino, during the entire year, snow aggregates up to 0.04" (1mm).
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.
Mendocino's average lowest temperatures are recorded in February and December, reaching a high of 54.3°F (12.4°C).
The only month with snowfall in Mendocino is February.
February is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.
February and April, with an average ocean temperature of 52.2°F (11.2°C), are months with the coldest seawater.
March, May and August, with an average relative humidity of 80%, are most humid months.
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 August are months with the least rain when the rain falls for 1.8 days and typically aggregates up to 0.08" (2mm) of rain.
June has the longest days of the year, with an average of 14h and 54min of daylight.
The months with the highest UV index in Mendocino are June through August, with an average maximum UV index of 5.
The months with the most sunshine are July and August, with an average of 11.8h of sunshine.
In Mendocino, the average temperatures in September are the highest, with a peak at 67.5°F (19.7°C) and a low of 54.9°F (12.7°C).
With an average relative humidity of 75%, October is the least humid month.
The month with the warmest seawater is October, with an average ocean temperature of 55.8°F (13.2°C).
The month with the most rainfall is December, when the rain falls for 10.4 days and typically aggregates up to 1.77" (45mm) of precipitation.
With an average of 9h and 30min of daylight, December has the shortest days of the year.
The month with the least sunshine is December, with an average of 5.5h of sunshine.
Average temperature
Mendocino, CA
The warmest month (with the highest average high temperature) is September (67.5°F).
The months with the lowest average high temperature are February and December (54.3°F).
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is February (45.5°F).
Average pressure
Mendocino, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.95"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed
Mendocino, CA
- Average wind speed in January:
8mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.9mph - Average wind speed in May:
10.3mph - Average wind speed in June:
10.9mph
- Average wind speed in July:
8.9mph - Average wind speed in August:
7.8mph - Average wind speed in September:
8.3mph - Average wind speed in October:
8.3mph - Average wind speed in November:
8.2mph - Average wind speed in December:
8.8mph
The windiest month (with the highest average wind speed) is June (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity
Mendocino, CA
The months with the highest relative humidity are March, May and August (80%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Mendocino, CA
- Average rainfall in January:
1.65" - Average rainfall in February:
1.69" - Average rainfall in March:
1.34" - Average rainfall in April:
0.55" - Average rainfall in May:
0.59" - Average rainfall in June:
0.08"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.08" - Average rainfall in September:
0.16" - Average rainfall in October:
0.55" - Average rainfall in November:
0.98" - Average rainfall in December:
1.77"
The wettest month (with the highest rainfall) is December (1.77").
The driest months (with the least rainfall) are June, July and August (0.08").
Average rainfall days
Mendocino, CA
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
6.3 days - Average rainfall days in May:
4.1 days - Average rainfall days in June:
1.8 days
- Average rainfall days in July:
2.1 days - Average rainfall days in August:
1.8 days - Average rainfall days in September:
2.1 days - Average rainfall days in October:
4 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
10.4 days
The month with the highest number of rainy days is March (11.4 days).
The months with the least rainy days are June and August (1.8 days).
Average snowfall
Mendocino, CA
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Mendocino, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 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 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature
Mendocino, CA
The best month for swimming (with the highest average sea temperature) is October (55.6°F).
The coldest month (with the lowest average sea temperature) is April (52.1°F).
Average daylight / Average sunshine
Mendocino, CA
- Average daylight in January:
9h and 48min - Average daylight in February:
10h and 48min - 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 30min
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 30min).
- Average sunshine in January:
5h and 36min - Average sunshine in February:
6h and 12min - Average sunshine in March:
7h and 12min - Average sunshine in April:
9h and 54min - Average sunshine in May:
10h and 30min - Average sunshine in June:
11h and 24min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 48min - Average sunshine in September:
10h and 42min - Average sunshine in October:
6h and 54min - Average sunshine in November:
6h and 18min - Average sunshine in December:
5h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Mendocino, CA
- Average sunshine days in January:
20 days - Average sunshine days in February:
19.8 days - Average sunshine days in March:
18.4 days - Average sunshine days in April:
23.3 days - Average sunshine days in May:
25.8 days - Average sunshine days in June:
27.5 days
- Average sunshine days in July:
28.2 days - Average sunshine days in August:
27.7 days - Average sunshine days in September:
27.7 days - Average sunshine days in October:
26 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
19.7 days
The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is March (18.4 days).
Average UV index
Mendocino, CA
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover
Mendocino, CA
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility
Mendocino, 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).
