What’s the climate like in Rainier?
The current climate of Rainier features average monthly temperatures ranging from highs of 27°C during the day to lows of 8°C. The average yearly temperature is around 17°C. At night, temperatures in the colder months average around 1°C and in the warmer months around 13°C.
The highest temperature recorded in Rainier in recent years was 43°C in June 2021. The lowest daytime temperature recorded was -5°C in December 2021.
On average, Rainier gets 1762 mm of precipitation each year. Of this, about 42 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Best time to visit Rainier?
The best time to visit Rainier for sunny weather is May through August. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Rainier. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Rainier
The climate table of Rainier shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 9 | 9 | 12 | 15 | 20 | 23 | 27 | 27 | 23 | 17 | 11 | 8 |
| Temp. min (°C) | 2 | 2 | 2 | 5 | 8 | 11 | 13 | 13 | 11 | 7 | 3 | 2 |
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| Precipitation (mm) | 215 | 183 | 150 | 121 | 57 | 51 | 8,5 | 95 | 126 | 239 | 265 | 251 |
| Snow (cm) | 5,2 | 19 | 2,5 | 1,6 | 0 | 0 | 0 | 0 | 0 | 0 | 1,3 | 12 |
| UV Index | 1 | 2 | 4 | 6 | 6 | 8 | 8 | 6 | 4 | 4 | 1 | 1 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 17°C
- Highest temperature: 27°C in July and August
- Lowest temperature: 8°C in December
- Precipitation*: 1762 mm per year, averaging 147 mm per month
- Snowfall: 42 cm per year
- Driest months: 8,5 mm in July, 51 mm in June and 57 mm in May
- Wettest months: 265 mm in November, 251 mm in December and 239 mm in October
*Precipitation is measured as a combination of rain, snow, and hail
Table of Contents
Average Temperature per Month in Rainier
This graph shows the average maximum temperatures per month in Rainier, Washington. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Rainier
This graph shows how much precipitation Rainier, Washington, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Rainier
This graph shows how much snow Rainier, Washington, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Rainier
This graph shows the average UV index per month in Rainier, Washington. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Rainier
This graph shows the average yearly temperature in Rainier, Washington. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Rainier
This chart shows the total yearly precipitation in Rainier, Washington, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Rainier
This chart shows the total yearly snowfall in Rainier, Washington, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Rainier
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Average Weather in Rainier by Month
Click on a month below to see detailed weather info for Rainier. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
