Hayward Weather in January

January in Hayward brings moderate temperatures, with highs of 14°C (57°F) and nights dropping to 5°C (41°F). Rainfall is on the higher side this month, averaging around 73 mm (2.9 in), so keep a rain jacket handy.

Rainfall in Hayward in January

The climate data from previous years indicates about 10 days of rain, averaging 73 mm (2.9 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Hayward in January

January in Hayward brings typical temperatures with highs around 14°C (57°F) and lows of 5°C (41°F). January is a notable month of the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 5°C (41°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Hayward in January

The month brings about 186 hours of sunlight, offering a comfortable mix of sun and overcast.

If you prefer dry days with pleasant temperatures, May, June, July, August, September and October typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
• February
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For a detailed overview over the year and the best time to visit the United States of America, check out our Hayward's climate page.

Hayward Temperature in January

Min Temperature 5°C (41°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 34%  

Precipitation 73 mm (2.9 in)  

Rainy days 10 days  

Humidity 80% *  

Sunshine 186 hours *  

Percentage Sunshine 61% *  

* Data from: San Francisco, the United States of America (27 KM, 16 Miles).

What to Wear in Hayward in January

The weather can be unpredictable in January, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Rain is likely on several days, so bring a good rain jacket. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Hayward in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Hayward's climate page.

More climate data for Hayward

Temperature Rainfall Sunshine Humidity

See the full Hayward climate overview or explore weather in the United States of America.