Climate and monthly weather forecast
Loma Portal, CA

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Weather in January

January, the same as December, is another refreshing winter month in Loma Portal, California, with an average temperature ranging between max 64.2°F (17.9°C) and min 52.7°F (11.5°C). Loma Portal's January reports an average high-temperature of a still enjoyable 64.2°F (17.9°C), exhibiting a minor difference from December. Weather in January »

Weather in February

February, the last month of the winter in Loma Portal, is also an enjoyable month, with an average temperature ranging between min 51.8°F (11°C) and max 63.1°F (17.3°C). Loma Portal's coldest month, February, registers temperatures that range from a high of 63.1°F (17.3°C) to a low of 51.8°F (11°C). Weather in February »

Weather in March

March, the first month of the spring in Loma Portal, is also an enjoyable month, with an average temperature ranging between min 52.7°F (11.5°C) and max 64.4°F (18°C). The beginning of March records an average high-temperature of a still enjoyable 64.4°F (18°C), marking a negligible difference from February's 63.1°F (17.3°C). Weather in March »

Weather in April

April, like March, in Loma Portal, California, is another refreshing spring month, with an average temperature fluctuating between 66.2°F (19°C) and 54.1°F (12.3°C). The ushering in of April brings an average high-temperature of a still refreshing 66.2°F (19°C), closely mirroring the 64.4°F (18°C) of March. Weather in April »

Weather in May

May, the last month of the spring in Loma Portal, is another comfortable month, with an average temperature varying between 67.6°F (19.8°C) and 56.3°F (13.5°C). The arrival of May brings an average high-temperature of a still refreshing 67.6°F (19.8°C), subtly diverging from April's 66.2°F (19°C). Weather in May »

Weather in June

June, the first month of the summer in Loma Portal, is an agreeable month, with an average temperature ranging between max 70.7°F (21.5°C) and min 58.8°F (14.9°C). With the start of June, Loma Portal measures an average high-temperature of an agreeable 70.7°F (21.5°C), not significantly differing from May's 67.6°F (19.8°C). Weather in June »

Weather in July

July is a moderately hot summer month in Loma Portal, California, with an average temperature ranging between min 64.2°F (17.9°C) and max 75.4°F (24.1°C). The arrival of July brings an average high-temperature of a warm 75.4°F (24.1°C), closely following the temperature pattern of June. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Loma Portal, California, with an average temperature ranging between min 65.7°F (18.7°C) and max 77.4°F (25.2°C). With average high and low temperatures of 77.4°F (25.2°C) and 65.7°F (18.7°C) respectively, August is Loma Portal's warmest month. Weather in August »

Weather in September

September, the first month of the autumn in Loma Portal, is still a warm month, with an average temperature fluctuating between 65.1°F (18.4°C) and 76.6°F (24.8°C). September registers an average high-temperature of a still moderately hot 76.6°F (24.8°C), slightly varied from August's 77.4°F (25.2°C). Weather in September »

Weather in October

October, the same as September, in Loma Portal, California, is another pleasant autumn month, with temperature in the range of an average low of 61.9°F (16.6°C) and an average high of 73.2°F (22.9°C). As September transitions into October, Loma Portal records an average high-temperature of a pleasant 73.2°F (22.9°C), showing a gentle shift from the preceding month. Weather in October »

Weather in November

November, the last month of the autumn in Loma Portal, is another pleasant month, with an average temperature fluctuating between 57.4°F (14.1°C) and 68.5°F (20.3°C). The initiation of November sees an average high-temperature of a still pleasant 68.5°F (20.3°C), showing minor variations from the previous month. Weather in November »

Weather in December

The first month of the winter, December, is still a refreshing month in Loma Portal, California, with an average temperature ranging between min 52.7°F (11.5°C) and max 63.3°F (17.4°C). With December's arrival, Loma Portal's weather records an average high-temperature of a comfortable 63.3°F (17.4°C), marking little difference from November's 68.5°F (20.3°C). Weather in December »
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How much does it rain?

Throughout the year, there are 61.8 rainfall days, and 8.7" (221mm) of precipitation is accumulated.

What are the months with the lowest UV index?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4.

What is the coldest time of year?

In Loma Portal, February registers the lowest temperatures, averaging 63.1°F (17.3°C) at the peak and 51.8°F (11°C) at the lowest.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Loma Portal, 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.

What is the most humid month?

The most humid month in Loma Portal is June, with an average relative humidity of 73%.

What is the driest month?

June is the month with the least rainfall. Rain falls for 2.7 days and accumulates 0.12" (3mm) of precipitation.

When are the longest days?

The month with the longest days is June, with an average of 14h and 18min of daylight.

What is the month with the most sunshine?

The months with the most sunshine are July and August, with an average of 11.9h of sunshine.

What are the months with the highest UV index in Loma Portal?

The months with the highest UV index are July through September, with an average maximum UV index of 6.

What is the hottest time of year?

In Loma Portal, August is identified by the average highest temperatures, reaching a peak of 77.4°F (25.2°C) and a low of 65.7°F (18.7°C).

What is the least humid month?

With an average relative humidity of 59%, November is the least humid month.

What is the rainiest month?

December is the month with the most rainfall. Rain falls for 5.8 days and accumulates 1.65" (42mm) of precipitation.

What is the month with the shortest days?

With an average of 10h and 0min of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Loma Portal?

The month with the least sunshine is December, with an average of 6.7h of sunshine.

Average temperature
Loma Portal, CA

Average temperature - Loma Portal, CA

The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is February (63.1°F).

The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (51.8°F).

Average pressure
Loma Portal, CA

Average pressure - Loma Portal, CA

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).

Average wind speed
Loma Portal, CA

Average wind speed - Loma Portal, CA

The windiest months (with the highest average wind speed) are April and May (6.3mph).
The calmest month (with the lowest average wind speed) is October (5.2mph).

Average humidity
Loma Portal, CA

Average humidity - Loma Portal, CA

The month with the highest relative humidity is June (73%).
The month with the lowest relative humidity is November (59%).

Average rainfall
Loma Portal, CA

Average rainfall - Loma Portal, CA

The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is June (0.12").

Average rainfall days
Loma Portal, CA

Average rainfall days - Loma Portal, CA

The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (2.7 days).

Average daylight / Average sunshine
Loma Portal, CA

Average daylight / Average sunshine - Loma Portal, CA

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days
Loma Portal, CA

Average sunshine days - Loma Portal, CA

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is July (20.3 days).

Average UV index
Loma Portal, CA

Average UV index - Loma Portal, 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, March, November and December (UV index 4).

Average visibility
Loma Portal, CA

Average visibility - Loma Portal, 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).

Loma Portal, California, USA

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