Climate and monthly weather forecastWestminster, CA
Climate and monthly weather forecast
Weather in January
January, the same as December, is another enjoyable winter month in Westminster, California, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 53.2°F (11.8°C). The transition into January marks the average high-temperature at a still enjoyable 64.9°F (18.3°C), differing minimally from December's 63.1°F (17.3°C). Weather in January »Weather in February
The last month of the winter, February, is another comfortable month in Westminster, California, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 52°F (11.1°C). The commencement of February records an average high-temperature of a still enjoyable 64°F (17.8°C), barely varying from January's 64.9°F (18.3°C). Weather in February »Weather in March
The first month of the spring, March, is also an enjoyable month in Westminster, California, with an average temperature fluctuating between 53.2°F (11.8°C) and 66.4°F (19.1°C). During March, Westminster records an average high-temperature of a still comfortable 66.4°F (19.1°C), marking a slight divergence from February's 64°F (17.8°C). Weather in March »Weather in April
April is an agreeable spring month in Westminster, California, with an average temperature fluctuating between 68.2°F (20.1°C) and 54.9°F (12.7°C). April's onset records an average high-temperature of a pleasant 68.2°F (20.1°C), a near match to March's 66.4°F (19.1°C). Weather in April »Weather in May
May, the last month of the spring in Westminster, is also an agreeable month, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 56.8°F (13.8°C). Westminster marks the onset of May with an average high-temperature of a still agreeable 69.4°F (20.8°C), a subtle shift from April's 68.2°F (20.1°C). Weather in May »Weather in June
The first month of the summer, June, is also an agreeable month in Westminster, California, with an average temperature fluctuating between 72.3°F (22.4°C) and 59°F (15°C). June brings an average high-temperature of a still pleasant 72.3°F (22.4°C), showing a slight difference from May's 69.4°F (20.8°C). Weather in June »Weather in July
July is a warm summer month in Westminster, California, with an average temperature varying between 76.8°F (24.9°C) and 63.1°F (17.3°C). Westminster's average high-temperature in July sits at a moderately hot 76.8°F (24.9°C), showing little difference from the previous month. Weather in July »Weather in August
August, the last month of the summer in Westminster, is another warm month, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 64.9°F (18.3°C). August, recognised by an average high temperature of 78.6°F (25.9°C) and a low of 64.9°F (18.3°C), is Westminster's warmest month. Weather in August »Weather in September
September, the first month of the autumn in Westminster, is still a warm month, with temperature in the range of an average low of 65.1°F (18.4°C) and an average high of 78.3°F (25.7°C). With the transition into September, Westminster notes an average high-temperature of a still moderately hot 78.3°F (25.7°C), closely resembling August. Weather in September »Weather in October
October, like September, in Westminster, California, is another warm autumn month, with temperature in the range of an average low of 62.1°F (16.7°C) and an average high of 74.5°F (23.6°C). October's weather displays an average high-temperature of a still warm 74.5°F (23.6°C), slightly varied from September's 78.3°F (25.7°C). Weather in October »Weather in November
November, the last month of the autumn in Westminster, is another pleasant month, with an average temperature varying between 57.4°F (14.1°C) and 69.6°F (20.9°C). November's average high-temperature stands at an agreeable 69.6°F (20.9°C), showing little deviation from October's 74.5°F (23.6°C). Weather in November »Weather in December
December, the first month of the winter in Westminster, is still a refreshing month, with an average temperature ranging between max 63.1°F (17.3°C) and min 52.3°F (11.3°C). December, with an average high of 63.1°F (17.3°C) and a low of 52.3°F (11.3°C), signifies the coldest month of the year. Weather in December »Updated: Jul 28, 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 Westminster, during the entire year, the rain falls for 25.2 days and collects up to 1.57" (40mm) of precipitation.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4.
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 is the most humid month, with an average relative humidity of 71%.
June is the only month when rain does not fall.
With an average of 14h and 24min of daylight, June has the longest days of the year.
January through May, July through December are months with rainfall.
The months with the most sunshine are July and August, with an average of 12h of sunshine.
July through September, with an average maximum UV index of 6, are months with the highest UV index.
Westminster experiences its average highest temperatures in August, reaching a peak of 78.6°F (25.9°C) and a minimum of 64.9°F (18.3°C).
The least humid month in Westminster is November, with an average relative humidity of 56%.
December is Westminster's coldest month, registering average high temperatures of 63.1°F (17.3°C) and lows of 52.3°F (11.3°C).
The month with the most rainfall is December, when the rain falls for 3.1 days and typically aggregates up to 0.35" (9mm) of precipitation.
With an average of 10h and 0min of daylight, December has the shortest days of the year.
The month with the least sunshine is December, with an average of 6.7h of sunshine.
Average temperature
Westminster, CA
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (63.1°F).
The month with the highest average low temperature is September (65.1°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure
Westminster, CA
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.89"Hg - Average pressure in October:
29.95"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed
Westminster, CA
- Average wind speed in January:
5.5mph - Average wind speed in February:
5.7mph - Average wind speed in March:
6mph - Average wind speed in April:
6.5mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.2mph - Average wind speed in October:
5.2mph - Average wind speed in November:
5.5mph - Average wind speed in December:
5.5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are September and October (5.2mph).
Average humidity
Westminster, CA
The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (56%).
Average rainfall
Westminster, CA
- Average rainfall in January:
0.2" - Average rainfall in February:
0.31" - Average rainfall in March:
0.24" - Average rainfall in April:
0.12" - Average rainfall in May:
0.04" - Average rainfall in June:
0"
- Average rainfall in July:
0.04" - Average rainfall in August:
0.04" - Average rainfall in September:
0.04" - Average rainfall in October:
0.04" - Average rainfall in November:
0.16" - Average rainfall in December:
0.35"
The wettest month (with the highest rainfall) is December (0.35").
The driest month (with the least rainfall) is June (0").
Average rainfall days
Westminster, CA
- Average rainfall days in January:
2.3 days - Average rainfall days in February:
2.4 days - Average rainfall days in March:
4.6 days - Average rainfall days in April:
3.1 days - Average rainfall days in May:
1.5 days - Average rainfall days in June:
0.7 days
- Average rainfall days in July:
1.9 days - Average rainfall days in August:
1 days - Average rainfall days in September:
1.4 days - Average rainfall days in October:
1.7 days - Average rainfall days in November:
1.5 days - Average rainfall days in December:
3.1 days
The month with the highest number of rainy days is March (4.6 days).
The month with the least rainy days is June (0.7 days).
Average daylight / Average sunshine
Westminster, CA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
13h and 54min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 6min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January:
6h and 48min - Average sunshine in February:
6h and 48min - Average sunshine in March:
8h and 42min - Average sunshine in April:
10h and 54min - Average sunshine in May:
11h and 12min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 0min - Average sunshine in September:
10h and 36min - Average sunshine in October:
8h and 24min - Average sunshine in November:
7h and 6min - Average sunshine in December:
6h and 42min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days
Westminster, CA
- Average sunshine days in January:
28.1 days - Average sunshine days in February:
24.4 days - Average sunshine days in March:
26.8 days - Average sunshine days in April:
27.5 days - Average sunshine days in May:
29 days - Average sunshine days in June:
29 days
- Average sunshine days in July:
28.3 days - Average sunshine days in August:
27.7 days - Average sunshine days in September:
27.7 days - Average sunshine days in October:
28.4 days - Average sunshine days in November:
26.4 days - Average sunshine days in December:
26.3 days
The months with the most sunshine days are May and June (29 days).
The month with the least sunshine days is February (24.4 days).
Average UV index
Westminster, CA
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover
Westminster, CA
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility
Westminster, 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).
