Climate Overview
The climate in Neptune Beach is warm and mild. The average annual temperature is 22°C and approximately 1122mm of precipitation falls per year. Neptune Beach receives a notable amount of rainfall throughout the year, including during its driest month. Neptune Beach 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 12°C.
Temperature
Neptune Beach sees moderate temperature variation throughout the year, ranging from 12°C to 30°C. The warmest month is July, when average highs reach 30°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 12°C and an average of 14°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.
Precipitation
Neptune Beach is a moderately rainy area, receiving approximately 1122mm of precipitation annually, which averages out to around 93mm per month. The wettest month is September, averaging 188mm of rainfall. October and June also tend to see above-average precipitation. The driest month is March, with just 52mm. That's 135mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Neptune Beach 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 October, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 4km/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.
Seasons
80 days until Autumn
It is currently summer in Neptune Beach, which began on June 21, 2026. Neptune Beach 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 30°C, while the coldest stretch bottoms out in January near 12°C. Autumn is next, beginning on September 23, 2026 — 80 days from now.
Spring
Temperatures range from 15 to 27°C. Precipitation is moderate at around 192mm for the season, averaging 64mm per month. Winds are generally light, averaging 5km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 347mm across the season with a monthly average of 116mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 17 to 29°C. Rainfall is heavy, totalling around 375mm across the season with a monthly average of 125mm. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 12 to 20°C. Precipitation is moderate at around 208mm for the season, averaging 69mm per month. Winds are generally light, averaging 5km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Neptune Beach is during February, March, April, May, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 65mm per month. By contrast, July can be uncomfortably hot with highs reaching 30°C, while January is the coldest period with lows dropping to 12°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Neptune Beach 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.
