Climate Overview
The climate in Franklin County Airport is warm and mild. The average annual temperature is 19°C and approximately 1340mm of precipitation falls per year. Franklin County Airport receives a notable amount of rainfall throughout the year, including during its driest month. Franklin County Airport 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 3°C.
Temperature
Temperatures in Franklin County Airport vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 35°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 3°C and an average of 8°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.
Precipitation
Franklin County Airport is a fairly wet location, receiving approximately 1340mm of precipitation annually, which averages out to around 112mm per month. The wettest month is April, averaging 184mm of rainfall. March and May also tend to see above-average precipitation. The driest month is September, with just 52mm. That's 132mm 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.
Wind
Franklin County Airport is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/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 16km/h in winter, 17km/h in spring, 13km/h in summer, 14km/h in autumn.
Seasons
84 days until Summer
It is currently spring in Franklin County Airport, which began on March 20, 2026. Franklin County Airport 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 35°C, while the coldest stretch bottoms out in January near 3°C. Summer is next, beginning on June 21, 2026 — 84 days from now.
Spring
Temperatures range from 10 to 28°C. Rainfall is heavy, totalling around 492mm across the season with a monthly average of 164mm. Winds are moderate at around 17km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 22 to 35°C. Precipitation is moderate at around 239mm for the season, averaging 80mm per month. Winds are generally light, averaging 13km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 9 to 32°C. Precipitation is moderate at around 272mm for the season, averaging 91mm per month. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 3 to 16°C. Rainfall is heavy, totalling around 337mm across the season with a monthly average of 112mm. Winds are moderate at around 16km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Franklin County Airport 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. 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.