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Lopez Island Weather and Climate: A Comprehensive Guide

The temperature in Lopez Island can vary quite a bit throughout the year. Temperatures can be pleasant during the warmest months, and cold during the cooler months. It maintains moderate precipitation patterns. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Visitors to Lopez Island can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a pleasant 22°C in August to a chilly 8°C in the coolest month, December.

Nights are cooler, with lows often dropping to around 2°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Lopez Island experiences moderate precipitation patterns, averaging 657 mm yearly. The climate in Lopez Island shows significant variation throughout the year. Expect high rainfall in November, with an average of 106 mm of precipitation over 19 rainy days.

In contrast, July offers drier and sunnier days, with around 14 mm of rainfall over 5 rainy days. For more details, please visit our Lopez Island Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Lopez Island serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.0 hours of sunshine daily, and embrace the darker days in December, offering only 2.3 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Friday Harbor, the United States of America (10 KM, 6 Miles).

Daily hours of sunshine

Data from: Friday Harbor, the United States of America (10 KM, 6 Miles).

Forecast for Lopez Island

Thu   Dec 26
11°C | 6°C
W 8 m/s
8.9 mm
partly cloudy and rain

partly cloudy and rain

Fri   Dec 27
9°C | 7°C
SE 5 m/s
3.2 mm
overcast and slight rain

overcast and slight rain

Sat   Dec 28
11°C | 7°C
S 9 m/s
4.8 mm
partly cloudy and rain

partly cloudy and rain

The best time of year to visit Lopez Island in the United States of America

During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Does Lopez Island have a dry season?
    Yes, the months of July and August are very dry.
  • Which is the warmest month in Lopez Island?
    August has an average maximum temperature of 22°C and is the warmest month of the year.
  • Which is the coldest month in Lopez Island?
    The coldest month is December with an average maximum temperature of 8°C.
  • Which is the wettest month in Lopez Island?
    November tops the wettest month list with 106 mm of rainfall.
  • Which is the driest month in Lopez Island?
    July is the driest month with 14 mm of precipitation.
  • Which is the sunniest month in Lopez Island?
    July is the sunniest month with an average of 331 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.