Siren (WI) Weather & Climate: Best Time to Visit

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

Climate overview of Siren

The climate in Siren, Wisconsin, United States of America, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in July to -6°C (21°F) in January.

Annual rain/snowfall is moderate at around 832 mm (33 in), with August being the wettest month. The city also has a distinct dry season from January to March.

Siren Weather by Month

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

Monthly Temperature in Siren

In Siren, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 27°C (81°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -6°C (21°F).

At night, temperatures range from around 15°C (59°F) in July to -16°C (3°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Siren

On average, Siren receives a reasonable amount of rain/snowfall, with an annual precipitation of 832 mm (33 in). Siren can be quite wet during August, receiving approximately 128 mm (5 in) of precipitation over 12 rainy days.

In contrast, during the driest month (January), you will experience much drier conditions, with 17 mm (0.7 in) of precipitation spread across 10 snowy days. For more details, please visit our Siren Precipitation page.

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

Best Time to Visit Siren

The best time to visit Siren is during May, June, July, August and September, when the weather provides comfortable temperatures between 20°C (67°F) and 27°C (81°F). With rainfall of 84 mm (3.3 in) to 128 mm (5 in), you can expect pleasant weather during your visit in these months.

Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.

Frequently asked questions about the climate in Siren

What is the best time to visit Siren?

September typically offers the most optimal weather in Siren. In contrast, January, February, March, November and December tend to have less optimal conditions. Siren has a distinct dry season from January to March.

What temperatures can I expect in Siren?

Daytime highs range from -6°C (21°F) in January to 27°C (81°F) in July. Nighttime lows range from -16°C (3°F) to 15°C (59°F). Temperatures vary considerably through the year.

How much rain does Siren get?

Annual rainfall is around 832 mm (33 in). August is the wettest month with 128 mm (5 in), while January is the driest with 17 mm (0.7 in).

Siren 3-Day Forecast

Siren (WI) 3-Day Forecast

Siren on the map

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

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