Climate and monthly weather forecastRockport, ME

The climate of Rockport

Rockport, Maine, USA aligns with the Dfb code in the Köppen Climate Classification, accounting for its humid continental climate characteristics, including no dry season and warm summers. This New England town, with its position along the Atlantic Coast, experiences a total annual rainfall of 13.06" (332mm), with the most precipitation occurring in July and the least in September. The year’s humidity remains fairly steady, averaging around 80%.

Temperature fluctuations exist throughout the year, with the highest average monthly highs peaking at 70.7°F (21.5°C) in August. Conversely, the coolest average high is found in January at 29.8°F (-1.2°C). As for the lows, the sharpest chill is felt in January, falling to 19.9°F (-6.7°C), while the warmest nights occur in July, averaging at 59.4°F (15.2°C). Snowfall is expected from December to April, with maximum accumulation observed in January.

Sunlight averages out to about 12.4 hours daily. The longest days are enjoyed in June with a daylight average of 15.5 hours, and the shortest in December with about 8.9 hours. Sunshine does not noticeably vary much throughout the year, with high readings of 10.5 hours a day in July and August, and low readings of 4.6 hours per day in December.

The best time to visit Rockport

Based on the climate data, the most favorable time to visit Rockport falls between June and August. This period experiences warm temperatures with average highs fluctuating from 63.7°F (17.6°C) in June to 70.7°F (21.5°C) in August. Rainfall is relatively low, hovering below the annual average. The days are also long, offering plenty of daylight for sightseeing and outdoor activities, with an average of 14.8 hours to 15.5 hours of daylight per day in these months.

The worst time to visit Rockport

Visitors might not find the climate conditions from December to February very favorable. These winter months experience the coldest temperatures, with January's average high recording 29.8°F (-1.2°C), and slightest night temperatures descending to 20.7°F (-6.3°C) in February. The daylight hours are the shortest, with eight to nine hours of daylight in December and January respectively. Additionally, snowfall is prevalent during these months.

Spring weather in Rockport

In Rockport, spring spans from March to May. During this time, temperatures begin to slowly rise, with a notable shift between highs of 37.2°F (2.9°C) in March and 56.1°F (13.4°C) in May. Nights become milder, fluctuating from an average low of 27°F (-2.8°C) in March to 45.1°F (7.3°C) in May. April sees the highest rainfall and most number of rainy days (13.2). In terms of daylight, residents and tourists can expect a steady increase from 12 to 14.8 hours over the course of spring.

Summer weather in Rockport

Summer in Rockport lasts from June to August, showcasing comfortable high temperatures ranging from 63.7°F (17.6°C) to 70.7°F (21.5°C). Nights are relatively warm with average lows between 52.7°F (11.5°C) and 59.4°F (15.2°C). Rainfall varies from 0.79" (20mm) in July to 1.3" (33mm) in June, while sunny days are at their peak with about 15.5 hours of daylight in June. The summer months also witness a fairly high UV index, averaging at 5.

Autumn weather in Rockport

Autumn arrives in Rockport from September to November. During these months, temperatures begin to decrease with an average high starting at 64.9°F (18.3°C) in September and falling to 44.8°F (7.1°C) by November. Rainfall stays below the annual average, with the lowest precipitation happening in September. The daylight hours begin to recede, from an average of 12.5 in September to 9.6 in November.

Winter weather in Rockport

Winter, spanning between December and February, confronts Rockport with the coldest temperatures. The average high declines to 29.8°F (-1.2°C) in December and 35.8 in February, while average lows range from 26.6°F (-3°C) in January to 19.9°F (-6.7°C) in December. December to February also sees snowfall, with an average accumulation of 0.91" (23mm) in December and 0.98" (25mm) in January. The daylight reaches its minimum average of 8.9 hours in December.

Weather in January

Residents of Rockport, Maine, buckle up for a post-Christmas chill in January. The mercury dips, with the average high and low temperatures recorded at 29.8°F (-1.2°C) and 19.9°F (-6.7°C) respectively. This month marks the highest frequency of snowfall with an average of 1.69" (43mm) over 8 days. Weather in January »

Weather in February

The chilly undertones persist in February with a slight rise in average high temperature to 31.3°F (-0.4°C). Despite the dipping temperatures, the UV index remains steady at a dim 2, under the wintry sun. Frosty mornings greet the city of Rockport, followed by slightly warmer afternoons. Weather in February »

Weather in March

March marks the onset of spring in Rockport, bringing a notable shift in weather patterns. The temperatures begin to rise, with the average high noted at 37.2°F (2.9°C), and the days start to stretch longer, promising a brighter tomorrow. Weather in March »

Weather in April

April showers grace Rockport, inducing a fresh lease of life into the flora. Almost doubling the previous averages, the recorded temperature highs reach 46.9°F (8.3°C). An increase in rainfall is noted, with an average precipitation of 1.42" (36mm) over 13.2 days. Weather in April »

Weather in May

May in Rockport is marked by a delightful sprout of colours as the city basks under the pleasant temperatures. An appreciable difference in weather patterns is observed with the high temperature leaping to 56.1°F (13.4°C). The city dries up this month with snowfall not being a factor anymore. Weather in May »

Weather in June

June paves the way for a cheerful summer, bringing unmistakable warmth to Rockport. The temperature peaks, reaching an enjoyable average high of 63.7°F (17.6°C). Coupled with longer daylight hours of 15.5 hours, the city witnesses its longest days of the year. Weather in June »

Weather in July

Rockport experiences its warmest month in July, with temperatures peaking to a desirable high of 70.3°F (21.3°C). The sea temperatures too rise to a comfortable 58.5°F (14.7°C), encouraging maritime activities. Evenings offer a soothing respite from the day's warmth, painting splendid sunsets over the waters. Weather in July »

Weather in August

August continues the warm trend with temperatures hovering persistently around 70.7°F (21.5°C). Summery weather prevails, complimented by the highest sea temperature recorded at 60.4°F (15.8°C). Ideal beach weather is sensed across the city, defining the city's summer scene. Weather in August »

Weather in September

September announces the onset of autumn in Rockport, yet maintains a warm, pleasant climate. The weather gradually cools down, with high temperatures lowering to an average of 64.9°F (18.3°C). The sea temperature follows suit, dropping mildly to 58.3°F (14.6°C), but continues to invite beachgoers. Weather in September »

Weather in October

October escorts an authentic reign of autumn in Rockport. A shift in weather defines this month with recorded temperatures dropping to a comfortable 55.4°F (13°C). With decreasing daylight hours down to 11, the city starts experiencing shorter days. Weather in October »

Weather in November

November sets the stage for winter in Rockport, with a marked dip in temperatures to an average high of 44.8°F (7.1°C). A shift in the wind's direction is noted, increasing from 10.7mph (17.2km/h) to 11.7mph (18.8km/h). Amidst falling leaves and increasingly cooler days, the city prepares for a winter takeover. Weather in November »

Weather in December

December in Rockport marks the return of the winter chills, with the high temperature dipping to an average of 35.8°F (2.1°C). Although down to 4.6 hours, sunlight dramatically lights up the city under the winter louvre. Snowfall graces the city afresh, building up the festive charm of wintry Rockport. Weather in December »