Rainier climate

Rainier Weather in April

NOAA 1991-2020 normals for Olympia AP, 18.9 km from Rainier

Average highs run from 56°F on April 1 to 63°F on April 30, and lows from 36°F to 40°F. Normal precipitation for the month is 3.67 in over about 16 wet days.

April day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Rainier, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
59°F
Average low
38°F
Precipitation
3.67 in
Record high
88°FApr 18, 2016
Record low
23°FApr 1, 1975
Chance of a freeze
98%
Daylight
12 h 50 min to 14 h 23 min
Cloud cover
73%
Humidity
84%
Dew point
41°F
Wind
4.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Apr 156°F36°F77°F 198723°F 197558%0%
Apr 256°F36°F82°F 194423°F 200858%0%
Apr 356°F36°F74°F 199524°F 200858%0%
Apr 457°F36°F77°F 196625°F 200958%0%
Apr 557°F36°F76°F 196625°F 202358%0%
Apr 657°F36°F79°F 200725°F 197557%0%
Apr 757°F37°F80°F 201624°F 197357%0%
Apr 857°F37°F80°F 201623°F 197557%0%
Apr 957°F37°F76°F 194926°F 198256%0%
Apr 1058°F37°F77°F 198826°F 197256%0%
Apr 1158°F37°F82°F 200427°F 196556%0%
Apr 1258°F37°F82°F 195124°F 202055%0%
Apr 1358°F37°F82°F 194323°F 202055%0%
Apr 1458°F37°F79°F 194325°F 197054%0%
Apr 1559°F37°F78°F 194726°F 196754%0%
Apr 1659°F37°F84°F 194727°F 197653%0%
Apr 1759°F38°F82°F 202125°F 196453%0%
Apr 1859°F38°F88°F 201624°F 196452%0%
Apr 1960°F38°F86°F 201626°F 196452%0%
Apr 2060°F38°F83°F 201626°F 195151%0%
Apr 2160°F38°F80°F 198224°F 195151%0%
Apr 2260°F38°F82°F 198226°F 197250%0%
Apr 2361°F38°F76°F 201226°F 198050%0%
Apr 2461°F39°F79°F 201826°F 197149%0%
Apr 2561°F39°F77°F 199227°F 198549%0%
Apr 2661°F39°F85°F 194727°F 197648%0%
Apr 2762°F39°F87°F 198726°F 195448%0%
Apr 2862°F39°F83°F 202326°F 197347%0%
Apr 2962°F39°F81°F 195728°F 195246%0%
Apr 3063°F40°F84°F 199826°F 196446%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Rainier, in percent, and of at least 0.1 inch of snowfall.02040601102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

April 1
sunrise 6:50 AM, sunset 7:40 PM
April 30
sunrise 5:57 AM, sunset 8:20 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024227 (Olympia AP), public domain. Records: NOAA GHCN-Daily, station USW00024227, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.