May weather forecast
Big River, CA

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Weather in May

The last month of the spring, May, is a tropical month in Big River, California, with an average temperature fluctuating between 68.4°F (20.2°C) and 90.1°F (32.3°C).

Temperature

As May arrives, a slight rise in the average high-temperature is observed, moving from a moderately hot 82.8°F (28.2°C) in April to a hot 90.1°F (32.3°C). Despite considerable daily temperature swings, a steady low-temperature average of 68.4°F (20.2°C) is noted throughout May.

Humidity

The average relative humidity in May is 19%.

Rainfall

May and June are months with the least rain when the rain falls for 1.2 days and typically aggregates up to 0.04" (1mm) of rain.

Daylight

The average length of the day in May is 13h and 57min.
On the first day of the month, sunrise is at 5:47 am and sunset at 7:21 pm. On the last day of May, sunrise is at 5:26 am and sunset at 7:43 pm PDT.

Sunshine

The average sunshine in May is 11.9h.

UV index

In May, the average daily maximum UV index in Big River is 7. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 7 during May translates into these guidelines:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Big River in May?

The high-temperature, in May, in Big River, is 90.1°F (32.3°C), while the low-temperature averages to 68.4°F (20.2°C).

What is the average humidity in May?

The average relative humidity in May is 19%.

What is the driest month in Big River?

May and June are months with the least rain when the rain falls for 1.2 days and typically aggregates up to 0.04" (1mm) of rain.

How many days does it rain in May?

In Big River, during May, the rain falls for 1.2 days and regularly aggregates up to 0.04" (1mm) of precipitation.

How many hours of daylight does Big River have in May?

The average day length in May is 13h and 57min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:47 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 7:43 pm PDT.

How long on average sun shines in May?

In May, the average sunshine duration is 11.9h.

What is the UV index reading in May?

The average daily maximum UV index in May is 7. A UV Index of 6 to 7 symbolizes a high health risk from 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
Big River, CA

Average temperature in May - Big River, CA
  • Average high temperature in May: 90.1°F

The warmest month (with the highest average high temperature) is July (104.2°F).
The month with the lowest average high temperature is December (61.2°F).

  • Average low temperature in May: 68.4°F

The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is December (47.1°F).

Average pressure in May
Big River, CA

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

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).

Average wind speed in May
Big River, CA

Average wind speed in May - Big River, CA
  • Average wind speed in May: 8.4mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).

Average humidity in May
Big River, CA

Average humidity in May - Big River, CA
  • Average humidity in May: 19%

The months with the highest relative humidity are January and December (39%).
The month with the lowest relative humidity is June (15%).

Average rainfall in May
Big River, CA

Average rainfall in May - Big River, CA
  • Average rainfall in May: 0.04"

The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are May and June (0.04").

Average rainfall days in May
Big River, CA

Average rainfall days in May - Big River, CA
  • Average rainfall days in May: 1.2 days

The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is May (1.2 days).

Average daylight in May /
Average sunshine in May
Big River, CA

Average daylight in May / Average sunshine in May - Big River, CA
  • Average daylight in May: 14h 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: 9h and 54min).

  • Average sunshine in May: 11h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in May
Big River, CA

Average sunshine days in May - Big River, CA
  • Average sunshine days in May: 29.3 days

The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is July (20.2 days).

Average UV index in May
Big River, CA

Average UV index in May - Big River, CA
  • Average UV index in May: 7

The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in May
Big River, CA

Average cloud cover in May - Big River, CA
  • Average cloud cover in May: 8

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in May
Big River, CA

Average visibility in May - Big River, 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).

Big River, California, USA

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