Saint Johns County (Saint Augustine)
May
Weather in Saint Johns County, Florida for May 2026
Your guide to Saint Johns County weather in May - trends and predictions
Rip Current Statement - See hour by hour.
Until now, May 2026 in Saint Johns County is slightly cooler than the historical average by -1.3 °F.
The forecast for the next days in Saint Johns County predicts temperatures to be around 28 °F, close to the historical average.
In general, the average temperature in Saint Johns County at the beginning of May is 26.9 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 29.6 °F by the end of May.
The climate of Saint Johns County in May is notably wet, with an average of 13 rainy days, and a total of 130.4 mm of precipitation.
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Temperatures
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18
Dry days
13
Rainy days
0
Snow days
30°/22°
Temperatures
19 km/h
Avg max wind
73 %
Avg humidity
Saint Johns County Weather May
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Temperatures trend during May in Saint Johns County
See the weather trend as well as the moving average line
May weather in Saint Johns County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Overcast | 26° /19° | 3.7 mm | 8 | |
| May 2 |  Cloudy | 25° /18° | 4.7 mm | 6 | |
| May 3 |  Patchy rain possible | 25° /18° | 0.3 mm | 9 | |
| May 4 | Patchy rain possible | 26° /19° | 0.2 mm | 9 | |
| May 5 |  Partly cloudy | 27° /19° | 0 mm | 9 | |
| May 6 |  Heavy rain at times | 28° /19° | 0.6 mm | 9 | |
| May 7 |  Moderate or heavy rain shower | 31° /21° | 5.7 mm | 9 | |
| May 8 | Moderate or heavy rain shower | 27° /22° | 8.1 mm | 9 | |
| May 9 | Patchy rain possible | 30° /21° | 3.4 mm | 8 | |
| May 10 | Moderate or heavy rain shower | 27° /21° | 8 mm | 7 | |
| May 11 | Heavy rain at times | 28° /22° | 6.5 mm | 8 | |
| May 12 | Moderate or heavy rain shower | 25° /21° | 20.2 mm | 5 | |
| May 13 | Patchy rain possible | 26° /22° | 2.5 mm | 9.4 | |
| May 14 |  Sunny | 29° /20° | 0 mm | 8.5 | |
| May 15 | Sunny | 27° /19° | 0 mm | 0.5 | |
| May 16 | Patchy rain possible | 29° /23° | 1.7 mm | 6 | |
| May 17 |  Moderate rain | 30° /24° | 7 mm | 6 | |
| May 18 | Patchy rain possible | 28° /24° | 2.2 mm | 6 | |
| May 19 | Sunny | 28° /23° | 0 mm | 7 | |
| May 20 | Sunny | 29° /23° | 0 mm | 7 | |
| May 21 | Sunny | 29° /22° | 0 mm | 7 | |
| May 22 | Sunny | 29° /24° | 0 mm | 7 | |
| May 23 | Patchy rain possible | 29° /24° | 0.7 mm | 6 | |
| May 24 | Sunny | 26° /24° | 0 mm | 6 | |
| May 25 | Sunny | 27° /23° | 0 mm | 6 | |
| May 26 | Sunny | 26° /22° | 0 mm | 6 | |
| May 27 |  Thundery outbreaks possible | 30° /24° | 27.8 mm | 7 | |
| May 28 | Partly cloudy | 32° /25° | 0 mm | 8 | |
| May 29 | Partly cloudy | 32° /25° | 0 mm | 8 | |
| May 30 | Cloudy | 30° /25° | 0 mm | 7 | |
| May 31 | Moderate or heavy rain shower | 30° /22° | 24.1 mm | 7 | |
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Important Notice
Our weather forecast for Saint Johns County in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint Johns County forecast closer to your planned date for the most up-to-date weather information.
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Saint Johns County in May - FAQ
What are the expected maximum and minimum temperatures in Saint Johns County during May?
During May, expect a variety of temperatures with highs around 30° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Johns County during May?
Significant rainfall exceeding 130.4 mm is expected in Saint Johns County during May, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint Johns County during May?
The average wind speed in Saint Johns County during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Saint Johns County
Explore the daily rainfall trends and prepare for Saint Johns Countys May weather 💧
Typically, Saint Johns County has 13 rainy days in May with a total of 130.4 mm of rainfall.
UV exposure in Saint Johns County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Saint Johns County?Get accurate weather forecasts for Saint Johns County, located at latitude 29.895 and longitude -81.315. Stay updated with localized weather information tailored for Saint Johns County.
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