Riverhead (NY) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Riverhead.

Climate overview of Riverhead

Riverhead, New York State, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 28°C (82°F) in July, while winters cool to 4°C (39°F) in February.

With around 1167 mm (46 in) of annual rain/snowfall, Riverhead has a notably wet climate. The wettest month is December.

Riverhead Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Riverhead — and find the best time to visit.

Monthly Temperature in Riverhead

Depending on the time of the year, temperatures range from comfortable to chilly in Riverhead. Average daytime temperatures reach a comfortable 28°C (82°F) in July. In February, the coolest month of the year, temperatures drop to a chilly 4°C (39°F).

At night, temperatures range from around 19°C (66°F) in July to -5°C (23°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Riverhead

Riverhead has a relatively rain/snowy climate with high precipitation levels, averaging 1167 mm (46 in) of rain/snowfall annually. Despite minor fluctuations, Riverhead enjoys fairly consistent precipitation throughout the year. In December, you can expect around 132 mm (5.2 in) of precipitation, while in July, Riverhead receives about 83 mm (3.3 in). For more details, please visit our Riverhead Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Riverhead

During the months of May, June, July, August and September, Riverhead enjoys pleasant weather with average temperatures ranging from 20°C (68°F) to 28°C (82°F). These months are perfect for sightseeing and exploring.

Rainfall during this time ranges from 83 mm (3.3 in) in July to 116 mm (4.6 in) in June. This means you can expect a mix of sunny days and occasional showers.

Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.

Frequently asked questions about the climate in Riverhead

What is the best time to visit Riverhead?

May, July, August and September typically offer the most optimal weather in Riverhead. In contrast, January, February, March and December tend to have less optimal conditions.

What temperatures can I expect in Riverhead?

Daytime highs range from 4°C (39°F) in February to 28°C (82°F) in July. Nighttime lows range from -5°C (23°F) to 19°C (66°F). Temperatures vary considerably through the year.

How much rain does Riverhead get?

Annual rainfall is around 1167 mm (46 in). December is the wettest month with 132 mm (5.2 in), while July is the driest with 83 mm (3.3 in).

Riverhead 3-Day Forecast

Riverhead (NY) 3-Day Forecast

Riverhead on the map

Riverhead is highlighted — select any city to see its climate.

Popular this month

Where to go in July — average daytime high across popular destinations.

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