Climate Overview
The climate in Upper Arlington is temperate. The average annual temperature is 13°C and approximately 1068mm of precipitation falls per year. Upper Arlington receives a notable amount of rainfall throughout the year, including during its driest month. Upper Arlington 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, February, when temperatures can drop to -6°C. Snowfall occurs from January to December, with around 69cm accumulating over the season.
Temperature
Upper Arlington has a wide annual temperature range, spanning 36°C from the coldest to warmest months. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 25°C. The coldest month is January, when overnight lows fall to -6°C and the daily average is -2°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between November and December, with a 8°C shift in average temperatures.
Precipitation
Upper Arlington is a moderately rainy area, receiving approximately 1068mm of precipitation annually, which averages out to around 89mm per month. The wettest month is March, averaging 128mm of rainfall. August and May also tend to see above-average precipitation. The driest month is November, with just 33mm. That's 95mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 69cm accumulating over the season. February typically sees the most snow at around 32cm.
Wind
Upper Arlington is relatively calm, with an average annual wind speed of 3km/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 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.
Seasons
52 days until Autumn
It is currently summer in Upper Arlington, which began on June 21, 2026. Upper Arlington 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 30°C, while the coldest stretch bottoms out in January near -6°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.
Spring
Temperatures range from 5 to 22°C. Rainfall is heavy, totalling around 339mm across the season with a monthly average of 113mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 18 to 30°C. Precipitation is moderate at around 295mm for the season, averaging 98mm per month. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 3 to 27°C. Precipitation is moderate at around 196mm for the season, averaging 65mm per month. Winds are generally light, averaging 3km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -6 to 7°C. Precipitation is moderate at around 238mm for the season, averaging 79mm per month. Expect around 60cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Upper Arlington is during June, July and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 92mm per month. By contrast, August can be uncomfortably hot with highs reaching 30°C, while January is the coldest period with lows dropping to -6°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.
Monthly Climate Data
The table below shows monthly climate averages for Upper Arlington 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.