Sennan Weather in December

Sennan in December sees moderate temperatures, with highs around 13°C (55°F) and overnight lows of 5°C (41°F). Rainfall is fairly high at around 83 mm (3.3 in) on average, so pack waterproofs just in case.

Rainfall in Sennan in December

On average, there are about 14 days with rain during this month, averaging 83 mm (3.3 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Sennan in December

Daytime temperatures in Sennan reach 13°C (55°F) in December, dropping to 5°C (41°F) at night. December is part of winter. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Sennan in December

The area experiences a moderate amount of sunshine, with approximately 134 hours of sunlight expected. This means a decent mix of sun and overcast.

For Sennan itself, April, May, October and November generally stand out with 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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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Sennan's climate page.

Sennan Temperature in December

Min Temperature 5°C (41°F)  

Max Temperature 13°C (55°F)  

Chance of Rain 47%  

Precipitation 83 mm (3.3 in)  

Rainy days 14 days  

Humidity 66% *  

Sunshine 134 hours *  

Percentage Sunshine *  

* Data from: Wakayama, Japan (17 KM, 10 Miles).

What to Wear in Sennan in December

The weather can swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Sennan in December

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

6/10

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 Japan, check out our Sennan's climate page.

More climate data for Sennan

Temperature Rainfall Sunshine Humidity

See the full Sennan climate overview or explore weather in Japan.