May weather forecast
Butte City, CA

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Weather in May

The last month of the spring, May, is a warm month in Butte City, California, with an average temperature varying between 54.1°F (12.3°C) and 80.4°F (26.9°C).

Temperature

With the beginning of May, Butte City's average high-temperature sees a minor increase, transitioning from a pleasant 71.6°F (22°C) in April to a warm 80.4°F (26.9°C). May nights in Butte City showcase a dramatic shift from daytime highs to an average temperature of 54.1°F (12.3°C).

Humidity

In May, the average relative humidity is 50%.

Rainfall

In May, the rain falls for 4.7 days. Throughout May, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 58.9 rainfall days, and 6.89" (175mm) of precipitation is accumulated.

Daylight

In Butte City, the average length of the day in May is 14h and 22min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:02 pm. On the last day of May, sunrise is at 5:42 am and sunset at 8:28 pm PDT.

Sunshine

The average sunshine in May is 11h.

UV index

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 6 suggests this advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

In Butte City, 80.4°F (26.9°C) is the average high-temperature and 54.1°F (12.3°C) is the average low-temperature during May.

What is the average humidity in May?

In Butte City, the average relative humidity in May is 50%.

How many days does it rain in May?

In Butte City, in May, it is raining for 4.7 days, with typically 0.35" (9mm) of accumulated precipitation.

What is the average length of the day in May?

In Butte City, the average day length in May is 14h and 22min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:07 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 8:28 pm PDT.

How many hours of sunshine does Butte City have in May?

The average sunshine duration in May is 11h.

How high is the UV index in May?

In Butte City, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Butte City, CA

Average temperature in May - Butte City, CA
  • Average high temperature in May: 80.4°F

The warmest month (with the highest average high temperature) is July (98.8°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is December (42.1°F).

Average pressure in May
Butte City, CA

Average pressure in May - Butte City, CA
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in May
Butte City, CA

Average wind speed in May - Butte City, CA
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in May
Butte City, CA

Average humidity in May - Butte City, CA
  • Average humidity in May: 50%

The month with the highest relative humidity is March (71%).
The month with the lowest relative humidity is September (36%).

Average rainfall in May
Butte City, CA

Average rainfall in May - Butte City, CA
  • Average rainfall in May: 0.35"

The wettest months (with the highest rainfall) are February and December (1.3").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in May
Butte City, CA

Average rainfall days in May - Butte City, CA
  • Average rainfall days in May: 4.7 days

The month with the highest number of rainy days is March (10.4 days).
The month with the least rainy days is July (1 days).

Average daylight in May /
Average sunshine in May
Butte City, CA

Average daylight in May / Average sunshine in May - Butte City, CA
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 11h and 0min

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 48min).

Average sunshine days in May
Butte City, CA

Average sunshine days in May - Butte City, CA
  • Average sunshine days in May: 25.4 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (19.7 days).

Average UV index in May
Butte City, CA

Average UV index in May - Butte City, CA
  • Average UV index in May: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 3).

Average cloud cover in May
Butte City, CA

Average cloud cover in May - Butte City, CA
  • Average cloud cover in May: 20

The months with the most cloud cover are March and December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in May
Butte City, CA

Average visibility in May - Butte City, 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).

Butte City, California, USA

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