May weather forecast
American Canyon, CA

Weather in May

The last month of the spring, May, is an agreeable month in American Canyon, California, with an average temperature fluctuating between 49.6°F (9.8°C) and 72°F (22.2°C).

Temperature

In May, the average high-temperature is essentially the same as in April - a pleasant 72°F (22.2°C). The average low-temperature, in American Canyon, is 49.6°F (9.8°C).

Humidity

The average relative humidity in May is 66%.

Rainfall

In American Canyon, in May, during 4.7 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, there are 68.2 rainfall days, and 11.93" (303mm) of precipitation is accumulated.

Daylight

The average length of the day in May is 14h and 16min.
On the first day of the month, sunrise is at 6:12 am and sunset at 8:00 pm. On the last day of May, in American Canyon, California, sunrise is at 5:47 am and sunset at 8:25 pm PDT.

Sunshine

In American Canyon, the average sunshine in May is 10.9h.

UV index

The average daily maximum UV index in May in American Canyon is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in American Canyon?

In May, in American Canyon, California, the average high-temperature is 72°F (22.2°C), and the average low-temperature is 49.6°F (9.8°C).

What is the average humidity in May in American Canyon?

In American Canyon, the average relative humidity in May is 66%.

How many days does it rain in May in American Canyon?

In American Canyon, California, in May, it is raining for 4.7 days, with typically 0.63" (16mm) of accumulated precipitation.

How many hours of daylight does American Canyon have in May?

In May, the average day length in American Canyon is 14h and 16min.

When are sunrise and sunset in May in American Canyon?

In May, on the first day of the month, sunrise is at 6:12 am and sunset at 8:00 pm. On the last day of the month, in American Canyon, California, sunrise is at 5:47 am and sunset at 8:25 pm PDT.

How many hours of sunshine does American Canyon have in May?

In May, the average sunshine duration in American Canyon is 10.9h.

What is the UV index intensity in May in American Canyon?

In May, the average daily maximum UV index in American Canyon is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
American Canyon, CA

Average temperature in May - American Canyon, CA
  • Average high temperature in May: 72°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (54.9°F).

  • Average low temperature in May: 49.6°F

The month with the highest average low temperature is August (56.5°F).
The coldest months (with the lowest average low temperature) are January and December (42.3°F).

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Average pressure in May
American Canyon, CA

Average pressure in May - American Canyon, CA
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
American Canyon, CA

Average wind speed in May - American Canyon, CA
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is May (6.6mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).

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Average humidity in May
American Canyon, CA

Average humidity in May - American Canyon, CA
  • Average humidity in May: 66%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (58%).

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Average rainfall in May
American Canyon, CA

Average rainfall in May - American Canyon, CA
  • Average rainfall in May: 0.63"

The wettest month (with the highest rainfall) is February (2.32").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in May
American Canyon, CA

Average rainfall days in May - American Canyon, CA
  • Average rainfall days in May: 4.7 days

The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is August (0.9 days).

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Average daylight in May /
Average sunshine in May
American Canyon, CA

Average daylight in May / Average sunshine in May - American Canyon, CA
  • Average daylight in May: 14h and 16min

The month with the longest days is June (Average daylight: 14h and 47min).
The month with the shortest days is December (Average daylight: 9h and 34min).

  • Average sunshine in May: 10h and 54min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in May
American Canyon, CA

Average sunshine days in May - American Canyon, CA
  • Average sunshine days in May: 25.7 days

The months with the most sunshine days are July and August (29.1 days).
The month with the least sunshine days is March (18.3 days).

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Average UV index in May
American Canyon, CA

Average UV index in May - American Canyon, CA
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
American Canyon, CA

Average cloud cover in May - American Canyon, CA
  • Average cloud cover in May: 23

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 7).

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Average visibility in May
American Canyon, CA

Average visibility in May - American Canyon, 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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