When to go · Mount Rainier
Mount Rainier in May
Great month. Inside Mount Rainier's best window: Apr–Oct.
Key facts
- Verdict
- Great
- Temperature
- 24°C (75°F)75°F (24°C) / 12°C (54°F)54°F (12°C)
- average high / low
- Rain days
- 5
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Mount Rainier's best window: Apr–Oct.
Is another month better than May?
No other month rates higher than May for Mount Rainier in this guide.
Weather in May
- Mount RainierHighs around 24 °C (75 °F), lows around 12 °C (54 °F), rain on about 5 daysHighs around 75 °F (24 °C), lows around 54 °F (12 °C), rain on about 5 days
- Pacific Northwest, United States · Seattle, Portland, Olympic, Mount Rainierfine
Grey and damp October–May; July–September is dry and clear, with wildfire smoke in some years.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Memorial Day big impact
Last Monday of May · United States
Start of summer; roads and beaches full.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.
Compare two months
Weather, crowds and prices for any two months in Mount Rainier, side by side.
Verdict
May: Great
Apr: Great
Daytime high
May: 24 °C (75 °F)75 °F (24 °C)
Apr: 18 °C (64 °F)64 °F (18 °C)
Night low
May: 12 °C (54 °F)54 °F (12 °C)
Apr: 7 °C (45 °F)45 °F (7 °C)
Rain days
May: 5 (better)
Apr: 6
Crowds
May: Medium
Apr: Medium
Prices
May: Medium
Apr: Medium
Festivals listed
May: 1
Apr: 1
May: Inside Mount Rainier's best window: Apr–Oct.
April: Inside Mount Rainier's best window: Apr–Oct.
Mount Rainier: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings