Climate and monthly weather forecastPacifica, CA
Climate and monthly weather forecast
Weather in January
January, like December, is another mild winter month in Pacifica, California, with an average temperature varying between 48.7°F (9.3°C) and 55.9°F (13.3°C). January's advent notes a subtle adjustment in average high-temperature to a still refreshing 55.9°F (13.3°C) from December. Weather in January »Weather in February
February, the last month of the winter in Pacifica, is another mild month, with an average temperature ranging between min 48.7°F (9.3°C) and max 56.7°F (13.7°C). Pacifica observes an average high-temperature of a still refreshing 56.7°F (13.7°C) in February, barely different from 55.9°F (13.3°C) in January. Weather in February »Weather in March
The first month of the spring, March, is still a mild month in Pacifica, California, with temperature in the range of an average high of 57.7°F (14.3°C) and an average low of 49.3°F (9.6°C). Pacifica's weather in March indicates an average high-temperature of a still refreshing 57.7°F (14.3°C), nearly consistent with the 56.7°F (13.7°C) of February. Weather in March »Weather in April
April, like March, is another refreshing spring month in Pacifica, California, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 59.5°F (15.3°C). The advent of April presents an average high-temperature of a still mild 59.5°F (15.3°C), maintaining a close correlation with the preceding month. Weather in April »Weather in May
May, the last month of the spring in Pacifica, is a refreshing month, with an average temperature ranging between min 51.4°F (10.8°C) and max 61°F (16.1°C). The commencement of May brings an average high-temperature of a comfortable 61°F (16.1°C), marking an inconsequential divergence from April. Weather in May »Weather in June
June, the first month of the summer in Pacifica, is still a comfortable month, with an average temperature varying between 64°F (17.8°C) and 53.6°F (12°C). Pacifica greets June with an average high-temperature of a still refreshing 64°F (17.8°C), marking a slight deviation from the preceding month. Weather in June »Weather in July
July, like June, in Pacifica, California, is another enjoyable summer month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 65.5°F (18.6°C). With the onset of July, the average high-temperature registers at a still comfortable 65.5°F (18.6°C), subtly different from June's 64°F (17.8°C). Weather in July »Weather in August
August, the last month of the summer in Pacifica, is another comfortable month, with an average temperature varying between 55.9°F (13.3°C) and 65.8°F (18.8°C). August's advent notes a subtle adjustment in average high-temperature to a still comfortable 65.8°F (18.8°C) from July. Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Pacifica, California, with an average temperature varying between 67.5°F (19.7°C) and 56.8°F (13.8°C). September brings the highest temperatures, with an average high of 67.5°F (19.7°C) and an average low of 56.8°F (13.8°C). Weather in September »Weather in October
October, like September, in Pacifica, California, is another enjoyable autumn month, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 64.9°F (18.3°C). As Pacifica transitions into October, the average high-temperature stands at a still comfortable 64.9°F (18.3°C), offering little variation from the preceding month. Weather in October »Weather in November
The last month of the autumn, November, is another refreshing month in Pacifica, California, with temperature in the range of an average high of 60.1°F (15.6°C) and an average low of 52.3°F (11.3°C). On the advent of November, Pacifica's average high-temperature exhibits a minor adjustment to a mild 60.1°F (15.6°C) from October's 64.9°F (18.3°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Pacifica, California, with an average temperature ranging between min 48.9°F (9.4°C) and max 55.6°F (13.1°C). In Pacifica, the month of December is known for its lowest average temperatures, reaching a high of 55.6°F (13.1°C) and a low of 48.9°F (9.4°C). 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 Pacifica, during the entire year, the rain falls for 77.3 days and collects up to 6.81" (173mm) of precipitation.
The month with the most rainfall is February, when the rain falls for 7.1 days and typically aggregates up to 1.34" (34mm) of precipitation.
The months with the lowest UV index are February and December, with an average maximum UV index of 3.
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, July and September are months with the least rain when the rain falls for 4.2 days and typically aggregates up to 0.12" (3mm) of rain.
With an average of 14h and 42min of daylight, June has the longest days of the year.
June, August and September, with an average maximum UV index of 5, are months with the highest UV index.
The month with the most sunshine is July, with an average of 11.1h of sunshine.
The most humid month in Pacifica is August, with an average relative humidity of 82%.
Temperature records mark September as the warmest month, with highs averaging 67.5°F (19.7°C) and lows at 56.8°F (13.8°C).
The months with the lowest humidity are November and December, with an average relative humidity of 72%.
Pacifica's coldest month, December, generally records average temperatures ranging from a high of 55.6°F (13.1°C) to a low of 48.9°F (9.4°C).
With an average of 9h and 36min of daylight, December has the shortest days of the year.
December has the least sunshine of the year, with an average of 5.7h of sunshine.
Average temperature
Pacifica, CA
The warmest month (with the highest average high temperature) is September (67.5°F).
The month with the lowest average high temperature is December (55.6°F).
The month with the highest average low temperature is September (56.8°F).
The coldest months (with the lowest average low temperature) are January and February (48.7°F).
Average pressure
Pacifica, CA
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.04"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"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 September (29.92"Hg).
Average wind speed
Pacifica, CA
- Average wind speed in January:
7.4mph - Average wind speed in February:
8.8mph - Average wind speed in March:
8.9mph - Average wind speed in April:
9.4mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8.4mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.8mph - Average wind speed in September:
6.8mph - Average wind speed in October:
7mph - Average wind speed in November:
7.1mph - Average wind speed in December:
8.1mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are August and September (6.8mph).
Average humidity
Pacifica, CA
The month with the highest relative humidity is August (82%).
The months with the lowest relative humidity are November and December (72%).
Average rainfall
Pacifica, CA
- Average rainfall in January:
1.18" - Average rainfall in February:
1.34" - Average rainfall in March:
0.98" - Average rainfall in April:
0.28" - Average rainfall in May:
0.39" - Average rainfall in June:
0.12"
- Average rainfall in July:
0.12" - Average rainfall in August:
0.16" - Average rainfall in September:
0.12" - Average rainfall in October:
0.35" - Average rainfall in November:
0.67" - Average rainfall in December:
1.1"
The wettest month (with the highest rainfall) is February (1.34").
The driest months (with the least rainfall) are June, July and September (0.12").
Average rainfall days
Pacifica, CA
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
7.1 days - Average rainfall days in May:
7 days - Average rainfall days in June:
4.2 days
- Average rainfall days in July:
4.3 days - Average rainfall days in August:
6 days - Average rainfall days in September:
3.6 days - Average rainfall days in October:
4.9 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
8.8 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is September (3.6 days).
Average daylight / Average sunshine
Pacifica, 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 12min - 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:
5h and 54min - Average sunshine in February:
6h and 6min - Average sunshine in March:
7h and 30min - Average sunshine in April:
10h and 0min - Average sunshine in May:
9h and 42min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
11h and 6min - Average sunshine in August:
10h and 42min - Average sunshine in September:
10h and 30min - Average sunshine in October:
6h and 54min - Average sunshine in November:
6h and 24min - Average sunshine in December:
5h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Pacifica, CA
- Average sunshine days in January:
21.6 days - Average sunshine days in February:
19.5 days - Average sunshine days in March:
19 days - Average sunshine days in April:
21.4 days - Average sunshine days in May:
20.3 days - Average sunshine days in June:
22.8 days
- Average sunshine days in July:
21.4 days - Average sunshine days in August:
18.7 days - Average sunshine days in September:
22.6 days - Average sunshine days in October:
24.5 days - Average sunshine days in November:
22.6 days - Average sunshine days in December:
20.7 days
The month with the most sunshine days is October (24.5 days).
The month with the least sunshine days is August (18.7 days).
Average UV index
Pacifica, CA
The months with the highest UV index are June, August and September (UV index 5).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover
Pacifica, CA
The month with the most cloud cover is March (Cloud cover 39).
The months with the least cloud cover are September and October (Cloud cover 21).
Average visibility
Pacifica, 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).
