Climate Insights for Osh

The climate in Osh is cool. The average annual temperature is 8°C and approximately 1061mm of precipitation falls per year. Osh receives a notable amount of rainfall throughout the year, including during its driest month. Osh is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to -8°C. Osh experiences heavy snowfall, typically from January through December.

Temperatures in Osh vary considerably across the year, with a 34°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 21°C. The coldest month is January, when overnight lows fall to -8°C and the daily average is -5°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 8°C shift in average temperatures.

Osh is a moderately rainy area, receiving approximately 1061mm of precipitation annually, which averages out to around 88mm per month. The wettest month is April, averaging 163mm of rainfall. May and March also tend to see above-average precipitation. The driest month is January, with just 49mm. That's 115mm less than April, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Osh receives heavy snowfall, accumulating around 304cm annually from January through December. The snowiest month is December, with approximately 54cm. Winter travel should account for significant snow cover.

Osh is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently summer in Osh, which began on June 21, 2026. Osh 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 July at around 26°C, while the coldest stretch bottoms out in January near -8°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.

The best time to visit Osh is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 66mm per month. By contrast, January can be quite cold with temperatures dropping to -8°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Osh 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.