Temperatures in April
It's cool in April in Mount Rainier National Park with an average temperature of 13°C. Temperatures this month range from a low of 10°C to a high of 17°C. At night, you can expect temperatures between 1°C and 5°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Mount Rainier National Park in April. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of April
The month of April starts in Mount Rainier National Park with cool temperatures, averaging around 12°C during the day and nights close to 3°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-April
By mid-April, the average daytime temperature rises to around 13°C, with nights close to 3°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of April
By the end of April, the average daytime temperature in Mount Rainier National Park will be around 15°C, with nights close to 5°C. A shower might show up, but overall the weather will be dry and sunny.
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Precipitation in April
In April, there is an average of 125 mm of precipitation, spread over 16 days. Of the total precipitation, about 112 cm falls as snow in April. The wind speed is around 3 Bft, mostly coming from the Southwest.
Across the whole month, the average precipitation chance is 52% per day. Though it seems average, the weather’s variable. Some days have a lower chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in April for Mount Rainier National Park. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Mount Rainier National Park in April |
UK | ||
|---|---|---|---|
 Average Temperature |
13°C | 15°C | |
 High Temp |
17°C | 18°C | |
| Low Temp |
10°C | 12°C | |
 Total Precipitation |
125 mm | 29 mm | |
| Rainy Days |
16 days | 7 days | |
 Total Snowfall |
112 cm | 0 cm | |
| Snowy Days |
18 days | 0 days | |
March
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 April a good time to visit Mount Rainier National Park?
After some sun? Then April isn’t the best time to be in Mount Rainier National Park. There’s too much chance of rain this month.
Temperature records for Mount Rainier National Park in April
With 28°C, Mount Rainier National Park hit the highest temperature in the last 10 years in April 2014. The lowest daytime temperature in this month was 1°C in 2022. The extreme night temperatures ranged from a low of -4°C to a high of 11°C.
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Daily Temperature in April in Mount Rainier National Park
This chart shows the average daily temperatures, both day and night, for each day in April in Mount Rainier National Park, 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 April in Mount Rainier National Park
The chart below shows the average daily precipitation in April for Mount Rainier National Park, 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 April, you can expect around 16 days of rain in Mount Rainier National Park.
Daily Snowfall in April in Mount Rainier National Park
This chart shows the average daily snowfall in April in Mount Rainier National Park, 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 April.
Daily UV Index in April in Mount Rainier National Park
This chart shows the average daily UV index in April in Mount Rainier National Park, 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 April in Mount Rainier National Park Over the Years
This chart shows the average temperature in April in Mount Rainier National Park, measured in degrees Celsius, over the past years.
Total Precipitation in April in Mount Rainier National Park Over the Years
This chart shows the average precipitation in April in Mount Rainier National Park, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Snowfall in April in Mount Rainier National Park per year
This chart shows the average snowfall in April in Mount Rainier National Park, measured in centimetres, over the past years.
Daily climate in April for Mount Rainier National Park
Click on a specific day in April for detailed info on the typical weather on that day in Mount Rainier National Park. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in April in Mount Rainier National Park
Have you been to Mount Rainier National Park in April?
Share your weather experience in April in Mount Rainier National Park.
Average Weather in Mount Rainier National Park by Month
Click on a month below to see detailed weather info for Mount Rainier National Park. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Mount Rainier National Park for all months at once
