When is the best time to visit Olympic National Park?

The weather in Olympic National Park, month by month

Daytime and night-time temperatures, then rainfall. 2015-2024 averages (Port Angeles). The exact figures are in the table below.
The table of averages, month by month
Official 1991-2020 normals from the NOAA station "Port Angeles" (US Climate Normals, NOAA, public domain).
MonthHighLowRainfallRainy daysBest
January7°3°97 mm14 d
February8°3°61 mm9 d
March9°4°60 mm10 d
April12°6°40 mm7 d
May15°9°27 mm6 d
June17°11°27 mm6 d✓
July20°13°14 mm3 d✓
August20°13°17 mm4 d✓
September18°11°31 mm4 d✓
October13°7°80 mm10 d
November9°4°112 mm14 d
December7°3°108 mm13 d

The four seasons in Olympic National Park, in figures

What the 2015-2024 averages (Port Angeles) show, season by season, to compare at a glance instead of reading twelve rows of a table.

Winter

Dec → Feb
7 to 8°
nights 3°
  • 12 rainy days · 89 mm
Not recommended

Spring

Mar → May
9 to 15°
nights 4 to 9°
  • 8 rainy days · 42 mm
Partly fair

Summer

Jun → Aug
17 to 20°
nights 11 to 13°
  • 4 rainy days · 19 mm
Recommended

Autumn

Sep → Nov
9 to 18°
nights 4 to 11°
  • 9 rainy days · 74 mm
1 month recommended

Book early for June to September

The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.

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Daylight in Olympic National Park, month by month

The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 16h02 of daylight, in December 8h22, a difference of 7h40.

8h46Jan
10h08Feb
11h45Mar
13h36Apr
15h10May
16h02Jun
15h41Jul
14h18Aug
12h30Sep
10h43Oct
9h09Nov
8h22Dec

Calculated for the latitude of the reference point "Port Angeles" (48.11°). Values on the 15th of each month, local solar time.

What to do in Olympic National Park, month by month

ActivityJanFebMarAprMayJunJulAugSepOctNovDec
Hiking
Towns & culture
Long days

favourablewith compromisesunfavourable

Grid derived from the climate averages (temperature, rainfall), not from an opinion.

Travelling off-peak

Month by month, in detail

January

Not recommended
7°3° at night
  • 97 mm · 14 d

Low season, lower prices

February

Not recommended
8°3° at night
  • 61 mm · 9 d

Low season, lower prices

March

Not recommended
9°4° at night
  • 60 mm · 10 d

Low season, lower prices

April

Not recommended
12°6° at night
  • 40 mm · 7 d

Low season, lower prices

May

Fair
15°9° at night
  • 27 mm · 6 d

Low season, lower prices

June

Recommended
17°11° at night
  • 27 mm · 6 d

Busy, without the crush

July

Recommended
20°13° at night
  • 14 mm · 3 d

High season, book early

August

Recommended
20°13° at night
  • 17 mm · 4 d

High season, book early

September

Recommended
18°11° at night
  • 31 mm · 4 d

Busy, without the crush

October

Fair
13°7° at night
  • 80 mm · 10 d

Low season, lower prices

November

Not recommended
9°4° at night
  • 112 mm · 14 d

Low season, lower prices

December

Not recommended
7°3° at night
  • 108 mm · 13 d

Quiet, then the holidays

Read the twelve months in detail

January. Deep winter: 7 °C at the warmest of the day, 3 °C at night. A very wet month, 97 mm of rain over 14 days. Low season: fewer people, lower prices.

February. Cool: 8 °C at best, 3 °C at night. Expect 9 days of rain in the month (61 mm). Low season: fewer people, lower prices.

March. Cool: 9 °C at best, 4 °C at night. Expect 10 days of rain in the month (60 mm). Low season: fewer people, lower prices.

April. Cool: 12 °C at best, 6 °C at night. Rain stays light: 40 mm over 7 days. Low season: fewer people, lower prices.

May. Cool: 15 °C at best, 9 °C at night. Rain stays light: 27 mm over 6 days. Low season: fewer people, lower prices.

June. Cool: 17 °C at best, 11 °C at night. Rain stays light: 27 mm over 6 days. Busy season, without the crush.

July. Mild, 20 °C in the afternoon and 13 °C early in the morning. Hardly any rain (14 mm over 3 days). High season: book early.

August. Mild, 20 °C in the afternoon and 13 °C early in the morning. Rain stays light: 17 mm over 4 days. High season: book early.

September. Mild, 18 °C in the afternoon and 11 °C early in the morning. Rain stays light: 31 mm over 4 days. Busy season, without the crush.

October. Cool: 13 °C at best, 7 °C at night. Expect 10 days of rain in the month (80 mm). Low season: fewer people, lower prices.

November. Cool: 9 °C at best, 4 °C at night. A very wet month, 112 mm of rain over 14 days. Low season: fewer people, lower prices.

December. Deep winter: 7 °C at the warmest of the day, 3 °C at night. Expect 13 days of rain in the month (108 mm). Quiet at the start of the month, then busier as the holidays approach.

Same season, other ideas

Their best time overlaps with this one: worth comparing before you book.

Frequently asked questions

When is the best time to visit Olympic National Park?

June to September: over these months, average highs range from 17 to 20 °C, with 4 days of rain a month on average (2015-2024 averages, Port Angeles).

Which month should you avoid in Olympic National Park?

November: it is the wettest of the months to avoid, with 112 mm over 14 days of rain on average over 2015-2024 at the reference point (Port Angeles).

What is the hottest month in Olympic National Park?

July, with 20 °C on average in the afternoon and 13 °C at night. 2015-2024 averages (Port Angeles).

What is the coldest month in Olympic National Park?

January, with 7 °C at best during the day and 3 °C at night. 2015-2024 averages (Port Angeles).

What is the driest month in Olympic National Park?

July: 14 mm over 3 days of rain, against 112 mm in November, the wettest month.

When is the best time to hike in Olympic National Park?

April, May, June, July, August, September: highs between 12 and 29 °C and no more than 9 days of rain a month on 2015-2024 averages (Port Angeles), the safest windows for walking.

Plan this trip

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Photos: Travis Kerkvliet / Pexels · Daniel Schwen / CC BY-SA 4.0 (Wikimedia Commons) · Miguel Hermoso Cuesta / CC BY-SA 4.0 (Wikimedia Commons) · King of Hearts / CC BY-SA 4.0 (Wikimedia Commons)