Climate Insights for Ol’ga

The climate in Ol’ga is cool. The average annual temperature is 5°C and approximately 916mm of precipitation falls per year. August is the wettest month, receiving around 200mm of rainfall. Ol’ga is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, December, February, when temperatures can drop to -14°C. Snowfall occurs from January to December, with around 85cm accumulating over the season.

Temperatures in Ol’ga vary considerably across the year, with a 35°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 21°C with a mean of 19°C. The coldest month is January, when overnight lows fall to -14°C and the daily average is -10°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between October and November, with a 9°C shift in average temperatures.

Ol’ga is a moderately rainy area, receiving approximately 916mm of precipitation annually, which averages out to around 76mm per month. The wettest month is August, averaging 200mm of rainfall. July and June also tend to see above-average precipitation. The driest month is January, with just 18mm. That's 182mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 85cm accumulating over the season. March typically sees the most snow at around 17cm.

Ol’ga is moderately windy, with an average annual wind speed of 23km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 29km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 13km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 28km/h in winter, 22km/h in spring, 18km/h in summer, 23km/h in autumn.

It is currently spring in Ol’ga, which began on March 20, 2026. Ol’ga is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 21°C, while the coldest stretch bottoms out in January near -14°C. Summer is next, beginning on June 21, 2026 — 86 days from now.

The best time to visit Ol’ga is during September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 96mm per month. By contrast, August can be uncomfortably hot with highs reaching 21°C, while January is the coldest period with lows dropping to -14°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Ol’ga based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.