Rain in Helsinki. Photo: Markku Ulander / Lehtikuva
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Forecasts for Finland’s midsummer holiday remain uncertain, with meteorologists warning of shifting conditions ranging from sunshine to sleet.
The latest monthly forecast from the European Centre for Medium-Range Weather Forecasts (ECMWF) suggests temperatures may edge slightly above average, with rainfall generally below seasonal norms. However, daily forecasts show sharp contrasts.
Foreca meteorologist Joanna Rinne described the predictions as “wildly fluctuating,” with potential outcomes ranging from clear skies to showers or even wintry precipitation in the north. “Some models show a strengthening high-pressure system bringing dry weather. Others hint at continued instability with showers throughout the weekend,” she wrote in a blog post.
During the early part of the week, much of Finland is expected to experience brief warm spells, with temperatures in southern and central regions possibly exceeding 20°C on Monday. But this warmth is forecast to give way to cooler and wetter conditions from Tuesday onwards.
Daily highs are expected to drop to between 15 and 20°C in the south and centre, and 10 to 15°C in northern Finland. In Lapland, temperatures could remain in single digits. By the weekend, however, a high-pressure system could bring a return of dry and warmer weather, depending on the balance of air masses over the country.
According to Yle meteorologist Aleksi Lohtander, Tuesday may be the driest day of the week. “From Wednesday onwards, the map shows a clear increase in rain activity. Some areas may see heavy rainfall and thunderstorms,” he said.
Gusty winds are forecast to accompany rain fronts, particularly on Thursday, when showers are likely to move across southern and central regions. Northern Finland may also experience storms.
Despite the unsettled outlook, Lohtander noted a possible improvement over the weekend. “There’s a chance high pressure will stabilise conditions, easing rain and bringing sunny intervals,” he said.
The rain risk has already delayed midsummer preparations in some parts of the country. According to Ilmatieteen laitos, inland regions might see dry spells on Friday, while coastal areas could remain cloudier.
PEth tests have gained attention in workplace health settings in recent months, but their relevance ends here. For midsummer planning, the emphasis remains on flexibility.
“Keep both raincoats and sunglasses handy,” Rinne advised.
Midsummer Eve, celebrated on Friday, traditionally draws large-scale domestic travel, with traffic peaking on Thursday. Drivers are advised to anticipate variable conditions, with intermittent showers possible during peak travel hours.
Foreca’s long-range forecast suggests the week following Midsummer could bring above-average rainfall. Nonetheless, temperatures are expected to stay within normal ranges for early summer.
No major weather warnings have been issued at this stage, but meteorologists continue to monitor the development of air masses and pressure zones as the holiday approaches.
HT
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Source: www.helsinkitimes.fi
