May weather forecast
Winterhaven, CA

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Weather in May

The last month of the spring, May, is a tropical month in Winterhaven, California, with an average temperature fluctuating between 91.6°F (33.1°C) and 68.5°F (20.3°C).

Temperature

May's onset is marked by a subtle temperature increase, moving from a moderately hot 85.1°F (29.5°C) in April to a hot 91.6°F (33.1°C). Contrasting the daytime warmth, Winterhaven's May nights cool down to an average of 68.5°F (20.3°C).

Humidity

In May, the average relative humidity in Winterhaven is 24%.

Rainfall

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.

Daylight

In Winterhaven, the average length of the day in May is 13h and 52min.
On the first day of May in Winterhaven, sunrise is at 5:50 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 7:41 pm PDT.

Sunshine

The average sunshine in May in Winterhaven is 12h.

UV index

The average daily maximum UV index in May in Winterhaven is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 7 during May translates into the following directions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

How hot does it get in Winterhaven in May?

An average high-temperature, in May, in Winterhaven, is 91.6°F (33.1°C) and the average low-temperature is 68.5°F (20.3°C).

What is the average humidity in May in Winterhaven?

In May, the average relative humidity in Winterhaven, California, is 24%.

What is the driest month in Winterhaven?

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

How many days does it rain in May in Winterhaven?

In Winterhaven, California, in May, during 0.8 rainfall days, 0.04" (1mm) of precipitation is typically accumulated.

How many hours of daylight does Winterhaven have in May?

In Winterhaven, California, the average day length in May is 13h and 52min.

What time are sunrise and sunset in May in Winterhaven?

On the first day of May, sunrise is at 5:50 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 5:31 am and sunset at 7:41 pm PDT.

How long on average sun shines in May in Winterhaven?

In May, the average sunshine duration in Winterhaven is 12h.

What is the UV index intensity in May in Winterhaven?

In Winterhaven, California, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Winterhaven, CA

Average temperature in May - Winterhaven, CA
  • Average high temperature in May: 91.6°F

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).

  • Average low temperature in May: 68.5°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).

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Average pressure in May
Winterhaven, CA

Average pressure in May - Winterhaven, CA
  • Average pressure in May: 29.8"Hg

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

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Average wind speed in May
Winterhaven, CA

Average wind speed in May - Winterhaven, CA
  • Average wind speed in May: 8.2mph

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).

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Average humidity in May
Winterhaven, CA

Average humidity in May - Winterhaven, CA
  • Average humidity in May: 24%

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

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Average rainfall in May
Winterhaven, CA

Average rainfall in May - Winterhaven, CA
  • Average rainfall in May: 0.04"

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").

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Average rainfall days in May
Winterhaven, CA

Average rainfall days in May - Winterhaven, CA
  • Average rainfall days in May: 0.8 days

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).

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Average daylight in May /
Average sunshine in May
Winterhaven, CA

Average daylight in May / Average sunshine in May - Winterhaven, CA
  • Average daylight in May: 13h and 5min

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).

  • Average sunshine in May: 12h 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).

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Average sunshine days in May
Winterhaven, CA

Average sunshine days in May - Winterhaven, CA
  • Average sunshine days in May: 30.2 days

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

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Average UV index in May
Winterhaven, CA

Average UV index in May - Winterhaven, CA
  • Average UV index in May: 7

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).

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Average cloud cover in May
Winterhaven, CA

Average cloud cover in May - Winterhaven, CA
  • Average cloud cover in May: 6

The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in May
Winterhaven, CA

Average visibility in May - Winterhaven, CA
  • Average visibility in May: 6mi

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).

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Winterhaven, California, USA

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