Climate and monthly weather forecastBethel, RI

The climate of Bethel

Bethel, Rhode Island, USA, is classified by the Köppen climate classification as Cfb. This signifies a marine west coast climate with a warm summer. Being in a temperate zone, Bethel exhibits a persistent pattern of moderate to high rainfall throughout the year, with relative humidity averaging around 75% annually.

The climate presents no drastic fluctuations among the months, maintaining a consistent pattern of rain, with 12.9 days being the most rained in a month. The lowest rainfall amounts are found in September, with a recorded average of 1.73" (44mm). Temperatures vary, ranging from a low of 27°F (-2.8°C) in January to a high of 77.7°F (25.4°C) in July.

Snow is not uncommon in Bethel, especially in the colder months. January and February witness the highest snowfall in the year, with averages of 1.26" (32mm) and 1.69" (43mm) respectively. However, snowfall drops significantly from March onwards, with no snow deposits recorded from May to October.

The best time to visit Bethel

The most temperate and pleasant months in Bethel stretch between late spring and early fall- from May to September. This period is marked by milder temperatures, fewer rainy days and longer daylight hours, making outdoor activities more enjoyable. July holds the record for the highest temperature, 77.7°F (25.4°C).

More sunshine and less rainfall mark the summer months specifically, which ensure a high UV index. Averaging at 6UVI from June through August, these months are regarded as the best period to soak up some Vitamin D. Vacationers can also luxuriate in the longer daylight hours during this period, peaking at 15.1 hours in June.

The worst time to visit Bethel

Winter in Bethel is typified by cold temperatures, short daylight hours, less sunshine, and more snowfall. From December to February, the mercury drops considerably, with temperatures dipping to a low of 27°F (-2.8°C), and shortened daylight hours to a minimum of 9.2 hours.

Furthermore, winter captures increased snowfall with an average of 1.06" (27mm) and 1.26" (32mm) in December and January respectively. Coupled with the decreased visibility of 6mi (9.7km), typically due to fog or snow, and the frequent grey skies (highest cloud percentage in December, 47%), these conditions make winters in Bethel less than ideal for tourists.

Spring weather in Bethel

Spring in Bethel, from March to May, is a transitional period from winter cold to summer warmth. Temperatures start to climb, ranging from 43.5°F (6.4°C) in March to 62.2°F (16.8°C) in May. The change in the season is also marked by an increased daylight duration, from 12 hours in March up to 14.5 hours in May.

This period also sees an uptick in rainfall with April recording the highest rainfall in the year. With the snow melting and fresh green sprouts appearing, spring can be deemed as quite a scenic period to visit Bethel.

Summer weather in Bethel

Summer in Bethel spans from June to August. This period enjoys the warmest temperatures of the year, with July being the warmest month with average highs of 77.7°F (25.4°C). Complementing the warm weather are long sunlight hours, peaking at 15.1 hours in June.

Summers in Bethel also experience the highest UV index of the year, averaging at 6UVI. Despite the increased rainfall of precipitation is typically accumulated. In Bethel, during the entire year, the rain falls for 154.5 days and collects up to 31.46" (799mm) of precipitation. Months with snowfall are January through April, November and December. In Bethel, during January, snow falls for 5.6 days and regularly aggregates up to 1.26" (32mm) of snow. Throughout the year, there are 18.6 snowfall days, and 6.26" (159mm) of snow is accumulated. In Bethel, Rhode Island, the average length of the day in January is 9h and 35min.
On the first day of January, sunrise is at 7:13 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:01 pm EST. In January, the average sunshine is 5.2h. The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Weather in February

Bethel transforms into a winter wonderland throughout February as the weather remains comparably cold as in January. Despite the freezing temperature, sunshine hours increase slightly providing more daytime visibility in the month of February. Weather in February »

Weather in March

Transitioning into spring, the weather in March begins to warm. There is a noticeable increase in average high and low temperatures, contributing to the melting of accumulated snow, reducing it to a measurement of 1.85" (47mm). March brings more cloud coverage which might make the skies seem a little gloomier than in February. Weather in March »

Weather in April

April in Bethel, Rhode Island, manifests an array of transformations as spring settles in. The first of these noticeable changes being the amplified rainfall level, averaging around 2.99" (76mm). Subsequently, the number of days with rain increases becoming a considerable climate factor, contributing to the lush and colorful flora around the city. Weather in April »

Weather in May

In May, Bethel experiences pleasant climate conditions as spring transitions into summer. With consistent upward movement, the weather stipulates all restrictions of previous months fade away. Humidity starts to rise, enhancing the city's vegetative growth and adding a distinctive colorfulness to the landscapes. Weather in May »

Weather in June

June is the threshold of summer in Bethel, Rhode Island, providing an exciting change in weather conditions. Increased sunshine hours, up to 9.6 hours, testify to the arrival of the hotter season. Relative humidity reaching up to 81% adds to the overall feel of summer's embrace. Weather in June »

Weather in July

Presenting the height of summer, July embodies the sunniest and warmest conditions of the year. The city’s top temperature of 77.7°F (25.4°C) is recorded in this month, combined with the peak of the UV index reaching up to 6 units. Weather in July »

Weather in August

August mirrors July regarding temperate weather patterns in Bethel, maintaining similarly hot conditions. Sun-soaked days prevail, with the highest number of daily sunshine hours reaching 10.6 hours. The city, however, gets relief from the summer heat due to an eased level of humidity in contrast to the preceding month. Weather in August »

Weather in September

Transitioning into autumn, Bethel’s weather in September brings a subtle chill, as the high summer temperatures start to decline. Judging by the atmospheric records, the rainfall decreases dropping to 1.73" (44mm) for 12.9 days. Weather in September »

Weather in October

October weather in Bethel, Rhode Island, characterizes a noticeable decline in climate parameters, as the lushness of summer subsides to make way for the chill of fall. With clouds adorning the sky for the better part of the day, the city experiences an increase in precipitation amounting to 3.23" (82mm). Weather in October »

Weather in November

November introduces distinctive winter weather elements in Bethel, with a distinct drop in temperatures in comparison to October. The onset of winter conditions sees an increase in air pressure, reaching a height of 30.08 units. Weather in November »

Weather in December

December closes out the yearly weather cycle of Bethel, Rhode Island, enveloping the city in a winter chill. Snowfall reappears in this month, measuring 1.06" (27mm), announcing the arrival of the festive season. The dwindling 9.2 hours of daylight paired with the relatively low 4.9 hours of sunshine contributes to the quiet winter atmosphere. Weather in December »