Climate and monthly weather forecast
Winterhaven, CA

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Weather in January

January in Winterhaven, California, is an agreeable winter month, with an average temperature ranging between min 50.9°F (10.5°C) and max 68°F (20°C). With the onset of January, the average high-temperature registers at an agreeable 68°F (20°C), subtly different from December's 66°F (18.9°C). Weather in January »

Weather in February

February, the last month of the winter in Winterhaven, is another pleasant month, with an average temperature fluctuating between 72.1°F (22.3°C) and 53.2°F (11.8°C). The advent of February sees the average high-temperature at a still pleasant 72.1°F (22.3°C), subtly shifted from January's 68°F (20°C). Weather in February »

Weather in March

March, the first month of the spring in Winterhaven, is a moderately hot month, with an average temperature fluctuating between 79°F (26.1°C) and 58.3°F (14.6°C). The arrival of March signals a slight increase in the average high-temperature, moving from a pleasant 72.1°F (22.3°C) in February to a warm 79°F (26.1°C). Weather in March »

Weather in April

April, the same as March, is a moderately hot spring month in Winterhaven, California, with an average temperature varying between 85.1°F (29.5°C) and 62.6°F (17°C). The embrace of April brings a minor uplift in the average high-temperature, shifting from a warm 79°F (26.1°C) in March to a still moderately hot 85.1°F (29.5°C). Weather in April »

Weather in May

May, the last month of the spring in Winterhaven, is a hot month, with an average temperature ranging between max 91.6°F (33.1°C) and min 68.5°F (20.3°C). As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from a warm 85.1°F (29.5°C) to a tropical 91.6°F (33.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a very hot month in Winterhaven, California, with temperature in the range of an average high of 102.6°F (39.2°C) and an average low of 77°F (25°C). June sees a rise in the average high-temperature, climbing from a hot 91.6°F (33.1°C) in May to a fiery hot 102.6°F (39.2°C). Weather in June »

Weather in July

July is an extremely hot summer month in Winterhaven, California, with an average temperature varying between 105.3°F (40.7°C) and 84.6°F (29.2°C). The warmest temperatures occur during July, when averages reach a peak of 105.3°F (40.7°C) and a low of 84.6°F (29.2°C). Weather in July »

Weather in August

The last month of the summer, August, is also a scorching month in Winterhaven, California, with an average temperature ranging between max 105.1°F (40.6°C) and min 86.4°F (30.2°C). Winterhaven's August average high-temperature settles at a still blisteringly hot 105.1°F (40.6°C), showing a near match with the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Winterhaven, is also a fiery hot month, with an average temperature varying between 99.5°F (37.5°C) and 81°F (27.2°C). The beginning of September brings a minor change in the average high-temperature, shifting from a blistering 105.1°F (40.6°C) in August to a torrid 99.5°F (37.5°C). Weather in September »

Weather in October

October, like September, is another hot autumn month in Winterhaven, California, with an average temperature fluctuating between 87.8°F (31°C) and 69.6°F (20.9°C). Transition into October marks a drop in the average high-temperature, moving from a sweltering 99.5°F (37.5°C) in September to a tropical 87.8°F (31°C). Weather in October »

Weather in November

The last month of the autumn, November, is another warm month in Winterhaven, California, with an average temperature varying between 76.6°F (24.8°C) and 58.8°F (14.9°C). Setting in of November comes with a decrease in the average high-temperature, moving from a hot 87.8°F (31°C) in October to a moderately hot 76.6°F (24.8°C). Weather in November »

Weather in December

The first month of the winter, December, is still a comfortable month in Winterhaven, California, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 50.5°F (10.3°C). December is the coldest month of the year, registering average temperatures as high as 66°F (18.9°C) and as low as 50.5°F (10.3°C). Weather in December »
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How many days does it rain?

In Winterhaven, during the entire year, the rain falls for 31.6 days and collects up to 2.8" (71mm) of precipitation.

When is Daylight Saving Time (DST)?

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.

What is the driest month?

May and June are months with the least rain when the rain falls for 0.8 days and typically aggregates up to 0.04" (1mm) of rain.

What is the least humid month?

With an average relative humidity of 22%, June is the least humid month.

When are the longest days?

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

What month has the most sunshine?

With an average of 12.2h of sunshine, June has the most sunshine of the year.

What are the months with the highest UV index?

June through September, with an average maximum UV index of 8, are months with the highest UV index.

What part of the year is the hottest?

July is the warmest month, with an average high-temperature of 105.3°F (40.7°C) and an average low-temperature of 84.6°F (29.2°C).

What is the rainiest month?

The wettest months are July and September, with an average 0.39" (10mm) of rainfall.

What is the month with the lowest UV index?

The months with the lowest UV index in Winterhaven are November and December, with an average maximum UV index of 4.

What time of the year is the coldest?

In Winterhaven, December records the average lowest temperatures, peaking at 66°F (18.9°C) and reaching a low of 50.5°F (10.3°C).

What is the most humid month in Winterhaven?

December is the most humid month in Winterhaven, with an average relative humidity of 38%.

What is the month with the shortest days?

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

What is the month with the least sunshine?

With an average of 7.2h of sunshine, December has the least sunshine of the year in Winterhaven.

Average temperature
Winterhaven, CA

Average temperature - Winterhaven, CA

The warmest month (with the highest average high temperature) is July (105.3°F).
The month with the lowest average high temperature is December (66°F).

The month with the highest average low temperature is August (86.4°F).
The coldest month (with the lowest average low temperature) is December (50.5°F).

Average pressure
Winterhaven, CA

Average pressure - Winterhaven, CA

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).

Average wind speed
Winterhaven, CA

Average wind speed - Winterhaven, CA

The windiest months (with the highest average wind speed) are April and July (8.5mph).
The calmest month (with the lowest average wind speed) is November (6.6mph).

Average humidity
Winterhaven, CA

Average humidity - Winterhaven, CA

The month with the highest relative humidity is December (38%).
The month with the lowest relative humidity is June (22%).

Average rainfall
Winterhaven, CA

Average rainfall - Winterhaven, CA

The wettest months (with the highest rainfall) are July and September (0.39").
The driest months (with the least rainfall) are May and June (0.04").

Average rainfall days
Winterhaven, CA

Average rainfall days - Winterhaven, CA

The month with the highest number of rainy days is July (5.8 days).
The month with the least rainy days is May (0.8 days).

Average daylight / Average sunshine
Winterhaven, CA

Average daylight / Average sunshine - Winterhaven, 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 month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).

Average sunshine days
Winterhaven, CA

Average sunshine days - Winterhaven, CA

The month with the most sunshine days is May (30.2 days).
The month with the least sunshine days is July (22.1 days).

Average UV index
Winterhaven, CA

Average UV index - Winterhaven, CA

The months with the highest UV index are June, July, August and September (UV index 8).
The months with the lowest UV index are November and December (UV index 4).

Average visibility
Winterhaven, CA

Average visibility - Winterhaven, 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).

Winterhaven, California, USA

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