Climate and monthly weather forecast
Viimsi, Estonia

Viimsi, located in Estonia, falls under a Dfb climate classification in the Köppen system. This denotes a Humid continental climate, without a dry season and predominantly typified by warm summers. As the weather conditions fluctuate over the year, it offers a diverse variety of atmospheres that characterize each season in its own right.

Further examining the provided climatic data, significant variations in daylight hours and sea temperature become apparent. From a short span of 6.2 hours during December to longer length of 18.5 hours seen in June, solar illumination in Viimsi varies drastically, affecting the overall weather and activity patterns. Sea temperatures too, shift between a chilly 0.2°C (32.4°F) in February and March, gradually warming to reach a peak at 19.1°C (66.4°F) in August.

A unique pattern evident in the climatic cycle is the cold sea temperatures witnessed in the initial months of the year. Interestingly, temperatures remain below 1°C (33.8°F) from January to March, indicating a relatively inhospitable environment for marine life. Conversely, the sea warms up between June and September, with temperatures rising above 13°C (55.4°F).

Taking into account the weather conditions, the optimal time to visit Viimsi would be the period from June to August. During these months, Viimsi welcomes maximum daylight, being bathed in sunlight for approximately 18 hours a day. Concomitantly, the sea temperature, at its warmest, reaches 19.1°C (66.4°F) in August. This combination of ample daylight and inviting sea temperatures make it a favorable time for beach-goers and outdoor enthusiasts.

The period from January to March emerges as the least inviting months to visit Viimsi. These months witness prolonged cold spells, with sea temperatures dropping to as low as 0.2°C (32.4°F). The reduced daylight hours at just over 7 hours in January and around 9 in February-March further exacerbate the harsh conditions, making this period least suitable for tourism and outdoor activities.

In the spring months of April and May, the weather in Viimsi undergoes a transition. Daylight hours undergo a visible increase from 14.6 in April to 17.1 in May. However, the sea temperature remains relatively low, starting at 1.8°C (35.2°F) in April and mildly ascending to 7.2°C (45°F) in May, which can limit water-related activities despite extended daylight.

Summer in Viimsi spans from June to August and is characterized by extended daylight and warm sea temperatures. Daylight ranges from 18.5 to 17.8 hours, giving ample time for outdoor engagements. Meanwhile, sea temperatures maintain steady warmth, starting at 13.7°C (56.7°F) in June and reaching its zenith at 19.1°C (66.4°F) in August.

Autumn in Viimsi, marked by the months of September, October and November, signals receding daylight and falling sea temperatures. Daylight decreases from 15.8 hours in September to just 7.7 hours in November. Sea temperature followed the same declining trend, reducing from 15.8°C (60.4°F) in September to a considerably colder 6.9°C (44.4°F) in November.

Winter defines itself with shorter daylight hours and cold sea temperatures in Viimsi. December experiences just 6.2 hours of daylight with the sea temperature dropping to a mere 3.9°C (39°F). January and February continue the trend with minimal increase in daylight and sea temperature remaining below 1°C (33.8°F), creating a frigid climate throughout these winter months.

January embraces the Estonian winter as the sea cools to a frosty 0.9°C (33.6°F). The coldest month in Viimsi, it significantly contrasts December's relatively milder conditions. During this time, snow envelops the landscape, lending a beautiful wintry aesthetic that chilly weather enthusiasts relish. Weather in January »

Despite a marginal increase in temperature, February in Viimsi continues January's deep freeze period with the sea temperature averaging 0.2°C (32.4°F). The brief and sudden snowstorms make for picturesque scenes amid the craggy coastlines. Weather in February »

March serves as a transitional bridge from frigid winter to nascent spring in Viimsi. Although the bitter cold carries over from February with the sea temperature still at 0.2°C (32.4°F), daylight hours significantly increase, marking a distinct shift. Weather in March »

Welcoming the fullness of spring, April in Viimsi sees a significant jump in climatic conditions from the persisting winter chill in March. Both land and sea join in harmony, as the sea warms up to an average temperature of 1.8°C (35.2°F). Weather in April »

May in Viimsi is an ode to the beauty of Estonian summers, as the season unfurls fully amid rising temperatures and expanding daylight hours. The dynamic shift brings the sea temperature to a comfortable 7.2°C (45°F), making seawater interactions possible after long chilly months. Weather in May »

June stands as the gateway to summers in Viimsi, as it boasts the longest daylight hours, providing ample sunlight for outdoor activities. The temperate sea, averaging at 13.7°C (56.7°F), offers various water-based recreational opportunities, further enhancing Viimsi's summer appeal. Weather in June »

July in Viimsi enjoys the title of the warmest month of the year, with the sea temperature peaking at 18.9°C (66°F). People flock to the coastline, making the most of the balmy conditions and reveling in Estonia's short but beautiful summer. Weather in July »

August brings a slight cooldown to Viimsi’s summer heat without losing the charm of the warm season. The Baltic Sea, still pleasantly warm at 19.1°C (66.4°F), continues to invite swimmers and water sports enthusiasts alike. Picturesque sunsets set the evening sky ablaze with radiant hues, while forests resonate with the hum of various flora and fauna. Weather in August »

September ushers in the fall season in Viimsi, as summer fades and the Baltic Sea temperature cools down to 15.8°C (60.4°F). This transition brings a riot of colors to Viimsi's landscape, creating a postcard-perfect setting. Weather in September »

October in Viimsi is synonymous with the heart of autumn, represented by misty mornings, cooling temperatures, and swirling fall foliage. Although the oncoming winter chill can be felt in the dipping temps, the sea maintains a stable average of 10.8°C (51.4°F). Weather in October »

November in Viimsi is a month of transition from the mild tones of autumn to the harsh wintry chills. Rain-soaked trails and a sea temperature dropping to 6.9°C (44.4°F) signal the onset of winter. The dwindling daylight and decreasing temperatures bring a stark contrast to the vibrant brightness of the previous months. Weather in November »

Marking the advent of winter, December in Viimsi creates a captivating visual spectacle with snowflakes adorning the cityscape, and the sea temperature resting at 3.9°C (39°F). Despite the cold, locals revel in various winter recreational activities, while the enchanting festive season brightens up the dark winter nights. Weather in December »