Mount Rainier, MD Weather & Climate Normals
What a normal year in Mount Rainier actually looks like
On the 30-year record NOAA keeps for Mount Rainier, MD, the comfort score comes out to 44/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 4 months a year land in the 55–75°F range this site treats as mild.
How much Mount Rainier's weather actually swings
Average temperatures in Mount Rainier run from 36°F in Jan up to 80°F in Jul, a 44.1°F seasonal swing, a middling gap by national standards.
Mount Rainier, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 45°F | 28°F | 3.03in | 4.7in |
| Feb | 48°F | 30°F | 2.77in | 2.3in |
| Mar | 56°F | 37°F | 3.96in | 1.4in |
| Apr | 68°F | 46°F | 3.44in | 0in |
| May | 77°F | 57°F | 4.32in | 0in |
| Jun | 85°F | 66°F | 4.56in | 0in |
| Jul | 90°F | 71°F | 4.62in | 0in |
| Aug | 88°F | 69°F | 3.67in | 0in |
| Sep | 82°F | 62°F | 4.12in | 0in |
| Oct | 70°F | 49°F | 4.23in | 0in |
| Nov | 58°F | 39°F | 3.2in | 0in |
| Dec | 49°F | 32°F | 3.67in | 1.3in |
If you're timing a visit, Apr, May, Sep, and Oct are Mount Rainier's mildest stretch; if you're moving there, you should plan around Jul's heat and Jan's cold instead.
How wet Mount Rainier actually gets
Over a typical year, Mount Rainier sees about 45.59in of precipitation a year across roughly 121 days with measurable rain or snow, with 9.7in of snow a year.
Mount Rainier against the rest of the country
Out of 4876 cities scored here, Mount Rainier comes in at 3869; within MD alone it ranks 41 of 46. Population is about 8,269.
Checking the actual forecast
These figures come from Natl Arboretum Dc, MD US, the NOAA station 2.0 miles from Mount Rainier, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is