Climate and monthly weather forecast
Shasta, CA

Share

Weather in January

January, the same as December, is another fresh winter month in Shasta, California, with an average temperature fluctuating between 53.1°F (11.7°C) and 38.3°F (3.5°C). During January, Shasta observes a subtle ascent to a still cool 53.1°F (11.7°C) from December's 50.9°F (10.5°C) in the average high-temperature. Weather in January »

Weather in February

The last month of the winter, February, is another cool month in Shasta, California, with temperature in the range of an average high of 54.7°F (12.6°C) and an average low of 37.9°F (3.3°C). Welcoming February, Shasta notes an average high-temperature of a still cool 54.7°F (12.6°C), nearly consistent with January's 53.1°F (11.7°C). Weather in February »

Weather in March

The first month of the spring, March, is a refreshing month in Shasta, California, with an average temperature fluctuating between 39.7°F (4.3°C) and 57.2°F (14°C). March's onset records an average high-temperature of a moderate 57.2°F (14°C), a near match to February's 54.7°F (12.6°C). Weather in March »

Weather in April

April in Shasta, California, is a comfortable spring month, with an average temperature fluctuating between 65.5°F (18.6°C) and 43°F (6.1°C). A soft shift in the average high-temperature is noticeable in April, transitioning from a mild 57.2°F (14°C) in March to an enjoyable 65.5°F (18.6°C). Weather in April »

Weather in May

May, the last month of the spring in Shasta, is a warm month, with an average temperature fluctuating between 74.7°F (23.7°C) and 49.1°F (9.5°C). May's arrival is marked by an increase in the average high-temperature, moving from a comfortable 65.5°F (18.6°C) in April to a moderately hot 74.7°F (23.7°C). Weather in May »

Weather in June

June, the first month of the summer in Shasta, is also a moderately hot month, with an average temperature ranging between max 85.6°F (29.8°C) and min 57°F (13.9°C). June sees a rise in the average high-temperature, climbing from 74.7°F (23.7°C) in May to a still warm 85.6°F (29.8°C). Weather in June »

Weather in July

July in Shasta, California, is a hot summer month, with temperature in the range of an average low of 62.4°F (16.9°C) and an average high of 94.6°F (34.8°C). Shasta reaches its highest average temperatures in July, measuring 94.6°F (34.8°C) at the peak and 62.4°F (16.9°C) at the lowest. Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Shasta, California, with an average temperature ranging between max 93.6°F (34.2°C) and min 61.7°F (16.5°C). Shasta measures an average high-temperature of a still hot 93.6°F (34.2°C) in August, nearly consistent with the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Shasta, is also a hot month, with an average temperature fluctuating between 86°F (30°C) and 57.7°F (14.3°C). September's onset introduces a mild reduction in the average high-temperature, from 93.6°F (34.2°C) in August to a still tropical 86°F (30°C). Weather in September »

Weather in October

October, the same as September, in Shasta, California, is another pleasant autumn month, with an average temperature ranging between min 49.8°F (9.9°C) and max 72.9°F (22.7°C). The decrease of average high-temperatures is mild in October, with a decline from a hot 86°F (30°C) in September to an agreeable 72.9°F (22.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Shasta, is another mild month, with an average temperature varying between 41.7°F (5.4°C) and 59.9°F (15.5°C). As October transitions to November, the average high-temperature falls from an agreeable 72.9°F (22.7°C) to a mild 59.9°F (15.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Shasta, California, with an average temperature fluctuating between 50.9°F (10.5°C) and 36.7°F (2.6°C). Shasta's coldest month, December, generally records average temperatures ranging from a high of 50.9°F (10.5°C) to a low of 36.7°F (2.6°C). Weather in December »
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain in Shasta?

Throughout the year, there are 92.2 rainfall days, and 20.16" (512mm) of precipitation is accumulated.

When it does not snow?

In Shasta, snow does not fall in January, April through November.

How much does it snow?

Throughout the year, 0.43" (11mm) of snow is accumulated.

When does it snow in Shasta?

Months with snowfall are February, March and December.

What is the month with the lowest UV index?

The month with the lowest UV index is February, with an average maximum UV index of 2.

What is the most humid month?

March is the most humid month, with an average relative humidity of 74%.

What is the wettest month?

March is the month with the most rainfall. Rain falls for 15.8 days and accumulates 3.94" (100mm) of precipitation.

When is Daylight Saving Time (DST)?

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

When are the longest days?

The month with the longest days is June, with an average of 15h and 0min of daylight.

When is the highest UV index in Shasta?

June and July, with an average maximum UV index of 7, are months with the highest UV index in Shasta.

What is the warmest month?

In Shasta, the peak temperatures are generally noted in July, averaging a high of 94.6°F (34.8°C) and a low of 62.4°F (16.9°C).

What is the driest month?

July is the month with the least rainfall. Rain falls for 1.9 days and accumulates 0.08" (2mm) of precipitation.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 12.1h of sunshine.

What is the least humid month?

August is the least humid month, with an average relative humidity of 33%.

What is the coldest time of year?

In Shasta, the average lowest temperatures are observed in December, with a high of 50.9°F (10.5°C) and a low of 36.7°F (2.6°C).

When does it snow the most?

The month with the most snowfall is December, when snow falls for 0.2 days and typically aggregates up to 0.31" (8mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5.5h of sunshine.

Average temperature
Shasta, CA

Average temperature - Shasta, CA

The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (50.9°F).

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is December (36.7°F).

Average pressure
Shasta, CA

Average pressure - Shasta, CA

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

Average wind speed
Shasta, CA

Average wind speed - Shasta, CA

The windiest months (with the highest average wind speed) are March and October (5.2mph).
The calmest months (with the lowest average wind speed) are August and November (4.3mph).

Average rainfall
Shasta, CA

Average rainfall - Shasta, CA

The wettest month (with the highest rainfall) is March (3.94").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days
Shasta, CA

Average rainfall days - Shasta, CA

The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (1.3 days).

Average snowfall
Shasta, CA

Average snowfall - Shasta, CA

The month with the highest snowfall is December (0.31").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").

Average snowfall days
Shasta, CA

Average snowfall days - Shasta, CA

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are January, April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Shasta, CA

Average daylight / Average sunshine - Shasta, CA

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days
Shasta, CA

Average sunshine days - Shasta, CA

The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (13.5 days).

Average visibility
Shasta, CA

Average visibility - Shasta, 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).

Shasta, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location