May weather forecast
Alleghany, CA

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Weather in May

May, the last month of the spring in Alleghany, is a refreshing month, with an average temperature ranging between min 40.6°F (4.8°C) and max 63.1°F (17.3°C).

Temperature

As Alleghany welcomes May, the average high-temperature displays a subtle shift, adjusting from a cool 55.2°F (12.9°C) in April to a comfortable 63.1°F (17.3°C). Alleghany logs a substantial downturn to an icy 40.6°F (4.8°C) during May nights, a considerable shift from daytime highs.

Humidity

In Alleghany, the average relative humidity in May is 64%.

Rainfall

In May, in Alleghany, the rain falls for 10.1 days. Throughout May, 2.48" (63mm) of precipitation is accumulated. In Alleghany, during the entire year, the rain falls for 72.9 days and collects up to 36.06" (916mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In Alleghany, California, in May, during 2.2 snowfall days, 6.65" (169mm) of snow is typically accumulated. Throughout the year, there are 53.3 snowfall days, and 151.57" (3850mm) of snow is accumulated.

Daylight

The average length of the day in May in Alleghany is 14h and 22min.
On the first day of the month, sunrise is at 6:03 am and sunset at 7:57 pm. On the last day of May, in Alleghany, sunrise is at 5:38 am and sunset at 8:24 pm PDT.

Sunshine

In May, the average sunshine is 10.6h.

UV index

In May, the average daily maximum UV index in Alleghany, California, is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum daily UV index of 4 during May morphs into the following directions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What are the temperatures in Alleghany in May?

The high-temperature in Alleghany, California, during May is 63.1°F (17.3°C) and the low-temperature is 40.6°F (4.8°C).

What is the average humidity in May in Alleghany?

In Alleghany, the average relative humidity in May is 64%.

How many days does it rain in May in Alleghany?

In Alleghany, in May, during 10.1 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

How many days does it snow in May in Alleghany?

In May, it is snowing for 2.2 days. Throughout May, 6.65" (169mm) of snow is accumulated.

How many hours of daylight does Alleghany have in May?

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

What time are sunrise and sunset in May in Alleghany?

On the first day of May in Alleghany, sunrise is at 6:03 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:24 pm PDT.

How many hours of sunshine does Alleghany have in May?

In May, the average sunshine duration is 10.6h.

What is the UV index intensity in May in Alleghany?

In May, the average daily maximum UV index in Alleghany is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Alleghany, CA

Average temperature in May - Alleghany, CA
  • Average high temperature in May: 63.1°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in May: 40.6°F

The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is December (29.1°F).

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Average pressure in May
Alleghany, CA

Average pressure in May - Alleghany, CA
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in May
Alleghany, CA

Average wind speed in May - Alleghany, CA
  • Average wind speed in May: 5.5mph

The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in May
Alleghany, CA

Average humidity in May - Alleghany, CA
  • Average humidity in May: 64%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is July (39%).

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Average rainfall in May
Alleghany, CA

Average rainfall in May - Alleghany, CA
  • Average rainfall in May: 2.48"

The wettest month (with the highest rainfall) is March (7.09").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in May
Alleghany, CA

Average rainfall days in May - Alleghany, CA
  • Average rainfall days in May: 10.1 days

The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is July (1.8 days).

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Average snowfall in May
Alleghany, CA

Average snowfall in May - Alleghany, CA
  • Average snowfall in May: 6.65"

The month with the highest snowfall is March (37.6").
The months with the least snowfall are July and August (0").

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Average snowfall days in May
Alleghany, CA

Average snowfall days in May - Alleghany, CA
  • Average snowfall days in May: 2.2 days

The month with the highest number of snowfall days is March (11.7 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in May / Average sunshine in May - Alleghany, 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: 10h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

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Average sunshine days in May
Alleghany, CA

Average sunshine days in May - Alleghany, CA
  • Average sunshine days in May: 18.3 days

The month with the most sunshine days is July (28 days).
The month with the least sunshine days is March (12.6 days).

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Average UV index in May
Alleghany, CA

Average UV index in May - Alleghany, CA
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in May
Alleghany, CA

Average cloud cover in May - Alleghany, CA
  • Average cloud cover in May: 26

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in May
Alleghany, CA

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

The months with the highest visibility are May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and April (5mi).

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Alleghany, California, USA

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