Climate Insights for Bar Nunn

The climate in Bar Nunn is cool. The average annual temperature is 7°C and approximately 432mm of precipitation falls per year. May is the wettest month, receiving around 72mm of rainfall. Bar Nunn 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, February, December, when temperatures can drop to -10°C. Bar Nunn experiences heavy snowfall, typically from January through December.

Bar Nunn has a wide annual temperature range, spanning 41°C from the coldest to warmest months. The warmest month is July, when average highs reach 31°C and the mean temperature sits around 22°C. The coldest month is January, when overnight lows fall to -10°C and the daily average is -6°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 9°C shift in average temperatures.

Bar Nunn is a relatively dry area, receiving approximately 432mm of precipitation annually, which averages out to around 36mm per month. The wettest month is May, averaging 72mm of rainfall. April and March also tend to see above-average precipitation. The driest month is July, with just 14mm. That's 58mm less than May, 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. Bar Nunn receives heavy snowfall, accumulating around 227cm annually from January through December. The snowiest month is April, with approximately 41cm. Winter travel should account for significant snow cover.

Bar Nunn 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 spring in Bar Nunn, which began on March 20, 2026. Bar Nunn 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 31°C, while the coldest stretch bottoms out in January near -10°C. Summer is next, beginning on June 21, 2026 — 2 days from now.

The best time to visit Bar Nunn is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 23mm per month. By contrast, January can be quite cold with temperatures dropping to -10°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Bar Nunn 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.