Climate Insights for Arzamas

The climate in Arzamas is cool. The average annual temperature is 6°C and approximately 715mm of precipitation falls per year. April is the wettest month, receiving around 101mm of rainfall. Arzamas is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, December, November, when temperatures can drop to -15°C. Arzamas experiences heavy snowfall, typically from January through December.

Arzamas has a wide annual temperature range, spanning 41°C from the coldest to warmest months. The warmest month is August, when average highs reach 26°C and the mean temperature sits around 20°C. The coldest month is January, when overnight lows fall to -15°C and the daily average is -11°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between August and September, with a 10°C shift in average temperatures.

Arzamas is a relatively dry area, receiving approximately 715mm of precipitation annually, which averages out to around 60mm per month. The wettest month is April, averaging 101mm of rainfall. September and January also tend to see above-average precipitation. The driest month is October, with just 20mm. That's 81mm less than April, 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. Arzamas receives heavy snowfall, accumulating around 268cm annually from January through December. The snowiest month is January, with approximately 89cm. Winter travel should account for significant snow cover.

Arzamas is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Arzamas, which began on June 21, 2026. Arzamas 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 26°C, while the coldest stretch bottoms out in January near -15°C. Autumn is next, beginning on September 23, 2026 — 54 days from now.

The best time to visit Arzamas is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 52mm per month. By contrast, January can be quite cold with temperatures dropping to -15°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 Arzamas 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.