Climate and monthly weather forecastMcKinleyville, CA
Climate and monthly weather forecast
Weather in January
January, like December, in McKinleyville, California, is another fresh winter month, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 43.2°F (6.2°C). McKinleyville, California, registers an average high-temperature of a still cool 53.8°F (12.1°C) with the arrival of January, showing minor deviation from the preceding month. Weather in January »Weather in February
February, the last month of the winter in McKinleyville, is also a fresh month, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 53.1°F (11.7°C). With February's arrival, McKinleyville, California, notes an average high-temperature of a still fresh 53.1°F (11.7°C), closely following the trend of the preceding month. Weather in February »Weather in March
March, the first month of the spring in McKinleyville, is also a fresh month, with an average temperature ranging between max 53.2°F (11.8°C) and min 42.3°F (5.7°C). March reports an average high-temperature of a still fresh 53.2°F (11.8°C), slightly varied from February's 53.1°F (11.7°C). Weather in March »Weather in April
April is a mild spring month in McKinleyville, California, with temperature in the range of an average high of 56.1°F (13.4°C) and an average low of 43.5°F (6.4°C). April experiences an average high-temperature of a refreshing 56.1°F (13.4°C), barely different from March's 53.2°F (11.8°C). Weather in April »Weather in May
The last month of the spring, May, is also a moderate month in McKinleyville, California, with temperature in the range of an average high of 60.1°F (15.6°C) and an average low of 45.9°F (7.7°C). McKinleyville indicates an average high-temperature of a still mild 60.1°F (15.6°C) in May, showing minor variation from April's 56.1°F (13.4°C). Weather in May »Weather in June
The first month of the summer, June, is an enjoyable month in McKinleyville, California, with temperature in the range of an average low of 48.4°F (9.1°C) and an average high of 64.4°F (18°C). The transition into June is marked with an average high-temperature of an enjoyable 64.4°F (18°C), showing an insignificant shift from May's 60.1°F (15.6°C). Weather in June »Weather in July
July in McKinleyville, California, is an agreeable summer month, with an average temperature varying between 51.1°F (10.6°C) and 68.5°F (20.3°C). At the start of July, McKinleyville's average high-temperature reaches an agreeable 68.5°F (20.3°C), subtly different from the preceding month. Weather in July »Weather in August
August, the last month of the summer in McKinleyville, is also an agreeable month, with an average temperature varying between 51.4°F (10.8°C) and 68.9°F (20.5°C). August is the warmest month of the year, registering average temperatures as high as 68.9°F (20.5°C) and as low as 51.4°F (10.8°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in McKinleyville, California, with an average temperature ranging between min 51.1°F (10.6°C) and max 68°F (20°C). McKinleyville's weather in September displays an average high-temperature of a still pleasant 68°F (20°C), showing minor disparity from August's 68.9°F (20.5°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in McKinleyville, California, with an average temperature varying between 62.6°F (17°C) and 48.9°F (9.4°C). During the shift to October, McKinleyville records a mild decrease in average high-temperature, moving from an agreeable 68°F (20°C) in September to a refreshing 62.6°F (17°C). Weather in October »Weather in November
November, the last month of the autumn in McKinleyville, is another refreshing month, with an average temperature varying between 45.3°F (7.4°C) and 56.7°F (13.7°C). In McKinleyville, the beginning of November is marked by a marginally lowered average high-temperature, shifting from October's comfortable 62.6°F (17°C) to a mild 56.7°F (13.7°C). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in McKinleyville, California, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 52.7°F (11.5°C). December is McKinleyville's coldest month, registering average high temperatures of 52.7°F (11.5°C) and lows of 42.4°F (5.8°C). Weather in December »Updated: Feb 9, 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, there are 114.9 rainfall days, and 31.61" (803mm) of precipitation is accumulated.
January, March through December are months without snowfall.
In McKinleyville, during the entire year, snow aggregates up to 0.39" (10mm).
January and December, with an average of 5.1h of sunshine, are months with the least sunshine.
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in McKinleyville, California.
The only month with snowfall in McKinleyville is February.
The month with the most snowfall is February, when snow falls for 0.3 days and typically aggregates up to 0.39" (10mm) of snow.
March is the most humid month in McKinleyville, California, with an average relative humidity of 82%.
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.
With an average of 15h and 6min of daylight, June has the longest days of the year in McKinleyville, California.
The months with the highest UV index are June through August, with an average maximum UV index of 5.
The month with the least rainfall is July, when the rain falls for 2.2 days and typically collects 0.08" (2mm) of precipitation.
With an average of 11.5h of sunshine, July has the most sunshine of the year in McKinleyville.
The average temperatures in McKinleyville, California, reach their apex in August, averaging 68.9°F (20.5°C) at the high end and 51.4°F (10.8°C) at the low end.
The months with the lowest humidity are September and October, with an average relative humidity of 76%.
The month of December, characterized by an average high of 52.7°F (11.5°C) and a low of 42.4°F (5.8°C), is recognized as the coldest.
The month with the most rainfall is December, when the rain falls for 15.6 days and typically aggregates up to 5.87" (149mm) of precipitation.
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
McKinleyville, CA
The warmest month (with the highest average high temperature) is August (68.9°F).
The month with the lowest average high temperature is December (52.7°F).
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is February (41.7°F).
Average pressure
McKinleyville, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.07"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed
McKinleyville, CA
- Average wind speed in January:
7.2mph - Average wind speed in February:
8mph - Average wind speed in March:
8.4mph - Average wind speed in April:
7.8mph - Average wind speed in May:
7.1mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.2mph - Average wind speed in September:
5.6mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.7mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity
McKinleyville, CA
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are September and October (76%).
Average rainfall
McKinleyville, CA
- Average rainfall in January:
5.31" - Average rainfall in February:
4.13" - Average rainfall in March:
4.72" - Average rainfall in April:
2.56" - Average rainfall in May:
1.73" - Average rainfall in June:
0.55"
- Average rainfall in July:
0.08" - Average rainfall in August:
0.16" - Average rainfall in September:
0.83" - Average rainfall in October:
2.28" - Average rainfall in November:
3.39" - Average rainfall in December:
5.87"
The wettest month (with the highest rainfall) is December (5.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days
McKinleyville, CA
- Average rainfall days in January:
14.1 days - Average rainfall days in February:
13.2 days - Average rainfall days in March:
16.8 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
8.3 days - Average rainfall days in June:
4.8 days
- Average rainfall days in July:
2.2 days - Average rainfall days in August:
2.2 days - Average rainfall days in September:
4.6 days - Average rainfall days in October:
8.1 days - Average rainfall days in November:
11.9 days - Average rainfall days in December:
15.6 days
The month with the highest number of rainy days is March (16.8 days).
The months with the least rainy days are July and August (2.2 days).
Average snowfall
McKinleyville, CA
The month with the highest snowfall is February (0.39").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
McKinleyville, CA
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.3 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:
0.1 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
McKinleyville, 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 18min - 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 24min - 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 6min - Average sunshine in February:
5h and 30min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 42min - Average sunshine in May:
9h and 36min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
11h and 30min - Average sunshine in August:
11h and 24min - Average sunshine in September:
10h and 12min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 48min - Average sunshine in December:
5h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days
McKinleyville, CA
- Average sunshine days in January:
15.7 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
12.5 days - Average sunshine days in April:
15.5 days - Average sunshine days in May:
21.2 days - Average sunshine days in June:
23.7 days
- Average sunshine days in July:
28 days - Average sunshine days in August:
28 days - Average sunshine days in September:
24.7 days - Average sunshine days in October:
21.7 days - Average sunshine days in November:
16.9 days - Average sunshine days in December:
14.7 days
The months with the most sunshine days are July and August (28 days).
The month with the least sunshine days is March (12.5 days).
Average UV index
McKinleyville, 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, March, November and December (UV index 3).
Average cloud cover
McKinleyville, CA
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility
McKinleyville, CA
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
