Normal weather for Mount Shasta in May

It's pleasantly warm in May in Mount Shasta with an average temperature of 22°C. Temperatures this month range from a low of 18°C to a high of 27°C. At night, you can expect temperatures between 4°C and 9°C.

In May, there is an average of 46 mm of precipitation, spread over 8 days. Of the total precipitation, about 2,6 cm falls as snow in May. The wind speed is around 3 Bft, mostly coming from the Southwest.

Mount Shasta in May		London
Average Temperature	22°C	18°C
High Temp	27°C	21°C
Low Temp	18°C	15°C
Total Precipitation	46 mm	46 mm
Rainy Days	8 days	8 days
Total Snowfall	2,6 cm	0 cm
Snowy Days	2 days	0 days

Start of May

The month of May starts in Mount Shasta with mild temperatures, averaging around 21°C during the day and nights close to 5°C. There’s little chance of precipitation. The weather is mostly sunny and dry.

Since temperatures can differ between day and night, it’s a good idea to dress in layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a warm coat, jumper or cardigan, and long trousers.

Mid-May

By mid-May, the average daytime temperature stays the same at 21°C, with nights close to 7°C. There might be a few showers during this period, but plenty of dry days with sunshine too.

Temperatures vary between day and night, so it’s smart to wear layers. During the day, a shirt, maybe a light cardigan, and light trousers will do. In the evening and morning, we recommend a warm coat, jumper or cardigan, and long trousers.

End of May

By the end of May, the average daytime temperature in Mount Shasta will be around 25°C, with nights close to 9°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.

As it gets cooler in the evening, it’s best to wear layers. A T-shirt, light trousers or skirt, and a light jacket are perfect for daytime. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.

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UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Is May a good time to visit Mount Shasta?

Want nice weather? Then May is a great time to be in Mount Shasta. You’ll have pleasant temperatures and not too much rain this month.

Temperature records for Mount Shasta in May

With 33°C, Mount Shasta hit the highest temperature in the last 10 years in May 2021. The lowest daytime temperature in this month was 7°C in 2022. The extreme night temperatures ranged from a low of -5°C to a high of 14°C.

Check out the climate of Mount Shasta for all months and discover the best travel time

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Daily Temperature in May in Mount Shasta

This chart shows the average daily temperatures, both day and night, for each day in May in Mount Shasta, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.

Daily Precipitation in May in Mount Shasta

The chart below shows the average daily precipitation in May for Mount Shasta, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 8 days of rain in Mount Shasta.

Daily Precipitation in May in Mount Shasta

Daily Snowfall in May in Mount Shasta

This chart shows the average daily snowfall in May in Mount Shasta, measured in centimetres. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in May.

Daily UV Index in May in Mount Shasta

This chart shows the average daily UV index in May in Mount Shasta, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Temperature in May in Mount Shasta Over the Years

This chart shows the average temperature in May in Mount Shasta, measured in degrees Celsius, over the past years.

Total Precipitation in May in Mount Shasta Over the Years

This chart shows the average precipitation in May in Mount Shasta, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.

Snowfall in May in Mount Shasta per year

This chart shows the average snowfall in May in Mount Shasta, measured in centimetres, over the past years.

Snowfall in May in Mount Shasta over the past years

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Daily climate in May for Mount Shasta

Click on a specific day in May for detailed info on the typical weather on that day in Mount Shasta. Check out the historical temperatures and precipitation over the past 10 years on this day.

Average Weather in Mount Shasta by Month

Click on a month below to see detailed weather info for Mount Shasta. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.