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June Weather in Bellingham, United States

Last updated: June 24, 2025

In June, the average temperature in Bellingham, United States is a comfortable 15°C (59°F). However, temperatures can range from a cool 8°C (47°F) to a warm 35°C (95°F), offering a diverse climate experience. Expect 58 mm (2.3 in) of precipitation spread over 10 days, and enjoy the balmy environment with an average humidity of 83%.

June Temperature in Bellingham

In June in Bellingham, the average temperature is 15°C (59°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 8°C (47°F). This diverse weather makes it a great time to explore outdoor activities while being prepared for both warm and cooler conditions.

June Weather in Bellingham: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Bellingham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bellingham, June typically has an average temperature of 15°C (59°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec413943485358636460514641
Data source: Temperature data for Bellingham generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Bellingham

In Bellingham in June, the total precipitation amount is 58 mm (2.3 in), measured over a span of 10 days.

June Precipitation Trends in Bellingham

The chart displays monthly precipitation patterns in Bellingham, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Bellingham, June typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec19918515612776582720125186261227
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Bellingham

In Bellingham in June humidity is 83%. With an average temperature of 15°C (59°F), this humidity feels like a cozy, damp embrace that can be quite stifling for traveling, making even short walks feel more exhausting than they should, and prompting a need for frequent breaks in shaded or air-conditioned areas.

June Average Humidity in Bellingham

This chart illustrates the average monthly humidity levels in Bellingham, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Bellingham is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%86%86%81%83%84%77%76%88%87%87%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Bellingham

In Bellingham in June, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Bellingham.

Maximum UV Index Levels in Bellingham for June

The chart shows the monthly maximum UV Index (UVI) for Bellingham in June, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In June, the maximum UV index in Bellingham typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Bellingham June UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How June Weather in Bellingham Compares to Other Months

Weather in Bellingham varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Bellingham, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Bellingham, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)199 mm (7.8 inches)86%low
February Weather4°C (39°F)185 mm (7.3 inches)85%moderate
March Weather6°C (44°F)156 mm (6.2 inches)86%moderate
April Weather9°C (48°F)127 mm (5.0 inches)86%high
May Weather12°C (53°F)76 mm (3.0 inches)81%very high
June Weather15°C (59°F)58 mm (2.3 inches)83%very high
July Weather17°C (63°F)27 mm (1.1 inches)84%very high
August Weather18°C (64°F)19 mm (0.8 inches)77%very high
September Weather15°C (60°F)125 mm (4.9 inches)76%high
October Weather11°C (51°F)186 mm (7.3 inches)88%moderate
November Weather8°C (46°F)261 mm (10.3 inches)87%low
December Weather5°C (41°F)227 mm (8.9 inches)87%low

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