Weather in Bellingham

Stay up to date with the current weather conditions in Bellingham. Below you will find the latest data, detailed forecasts, and visual charts to help plan your time in the city.

The climate in Bellingham, USA, can be characterised as temperate oceanic. This means that distinct seasons are observed here, but without extreme temperatures. Winters in Bellingham are quite mild and wet, while summer is warm and comparatively dry, making it a pleasant time to visit.

Annual temperature variations are moderate. The coldest months are January and February, with average temperatures around 3.5-4.3°C. The warmest months are July and August, when the average temperature rises to 18.6-19.3°C, and maximum values can reach 23-24°C. Spring and autumn are transitional seasons with comfortable temperatures.

One of the key features of the weather in Bellingham is the distribution of precipitation. The highest amount of rainfall and rainy days occurs in the period from November to January (about 9 mm of precipitation and 19-21 rainy days per month). Summer, especially July and August, is significantly drier – only about 1 mm of precipitation and 5-6 rainy days. This creates a distinct contrast between the wet winter and the sunnier, drier summer.

The climate in Bellingham is characterised by moderate temperatures throughout the year, with clearly defined seasons. The warmest months are usually July and August, when the average maximum temperature rises to +23.6°C and +24.4°C respectively. Nights at this time are also warm, with minimum temperatures around +13-14°C. The coldest months are considered to be February and December. In February, the average minimum temperature drops to +0.6°C, and the average maximum is around +6.5°C. December figures are similar: average minimum +1.3°C and maximum +6.0°C. Thus, the annual temperature range is quite comfortable, without extreme heat or severe frosts.

Summer in Bellingham, covering June, July, and August, offers pleasantly warm weather. Average daytime temperatures range from +20°C in June to +24.4°C in August. This is the ideal time for walks and active outdoor leisure. It is worth noting noticeable daily temperature fluctuations: the difference between daytime highs and nighttime lows in the summer months can reach about 10°C, so evenings can be perceptibly cooler.

Winter in Bellingham is generally mild and cool, but not severe. In December, January, and February, average daytime temperatures hover around +6...+7°C, and night temperatures drop close to the freezing point, sometimes reaching +0.6°C in February. Snow is possible but usually does not stay for long. Daily temperature fluctuations in winter are less pronounced than in summer, amounting to approximately 5-6°C. Spring and autumn are transitional seasons with gradual temperature changes: in spring it gets warmer from March to May, and in autumn the temperature smoothly decreases from September to November, offering comfortable conditions for visiting the city.

In Bellingham, there is a clearly marked seasonality in precipitation distribution throughout the year. The city experiences a prolonged wet season that covers late autumn, winter, and early spring, followed by a noticeably drier summer period. This means that the number of rainy days and the total volume of precipitation vary greatly from month to month.

The highest amount of precipitation is characteristic of the period from late autumn to early spring. January and November stand out as the wettest months, with precipitation amounts of about 9 mm and approximately 19-21 days with precipitation in each. December is also quite wet (8 mm of precipitation, 19 days). Considering that minimum temperatures in January (1.9°C), February (0.6°C), and December (1.3°C) are close to zero or drop lower, precipitation in these months may fall not only as rain but also, likely, as snow. February, March, April, and October also bring a moderate amount of precipitation, with 16-18 rainy days and precipitation levels from 4 to 6 mm.

Summer months, conversely, are the driest in Bellingham. July and August are the most arid, when only about 1 mm of precipitation falls, and the number of days with precipitation decreases to 5-6 per month. This makes summer the ideal time to visit the city if you prefer sunny weather. May, June, and September are also relatively dry, with 3-4 mm of precipitation and 10-12 days with precipitation, which ensures comfortable conditions for walks and active leisure.

When planning a trip to Bellingham, it is important to consider its climatic features, especially the high probability of precipitation throughout most of the year. The key principle when packing your suitcase should be layering your clothes. This will allow you to easily adapt to temperature changes during the day. An indispensable item will be a waterproof and windproof jacket, as rains are a frequent occurrence here, especially from October to April, when the number of rainy days can reach 16-21 per month. It is also worth taking care of comfortable waterproof shoes for walking and a compact umbrella.

In summer, from June to August, warmer and drier weather settles in Bellingham with average temperatures from 15°C to 19°C. During this period, you will need light items such as T-shirts, shorts, and summer trousers. However, even in summer, evenings can be cool, so a sweater or a light jacket will not be amiss. Do not forget sunscreen and headwear for sunny days. In the cold season, from November to March, average temperatures fluctuate around 3-6°C, often dropping to near-zero marks. For this time of year, pack warm clothes: sweaters, fleece tops, an insulated and waterproof jacket, a hat, gloves, and a scarf. Spring and autumn are transitional seasons with moderate temperatures, but still a high probability of rain, so layering and protection from moisture remain relevant.