World Resorts Japan Atami Weather

Atami weather in January

Weather in Atami: January

Average day temperature: 48.4°F
Average night temperature: 39.3°F
Sea water temperature: 60.8°F
Number of sunny days: 17 days
Day length: 9.8 - 10.4 hours
Number of rainy days: 3 days
Precipitation totals: 2.8 in.

Air temperature in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
9
18
27
36
45
54
63
72
Day temperature   
Night temperature

The highest day temperature during January of 2025 was 53°F. At the same time the lowest night temperature was 32°F. Daily and nightly averages during January were 47.7°F and 39.2°F.

Sea water temperature in Atami in January, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
55
57
59
61
63
65
67
69

The average sea water temperature in January of 2025 was 61.1°F. The highest and lowest sea temperatures during the month were 62.6°F and 59.7°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
52%
26%
23%

Mostly all days in January are sunny but cloudy days are also possible.

Precipitation total in January, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.1
4.2
6.3
8.4
10.4
12.5
14.6
2.2
3.8
10.9
9.6
6.3
9.6
12.2
8.5
8.2
7.7
3.4
2.2
3.8
10.9
9.6
6.3
9.6
12.2
8.5
8.2
7.7
3.4
3.0

Precipitation total value in Atami in January is 3.0 in. Other months of the year show relatively similar values.

Wind speed in January, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.7
4.1
5.4
6.8
8.2
9.5
10.9
7.4
6.9
7.5
7.3
6.6
6.3
6.0
6.8
7.6
7.9
7.9
7.4
6.9
7.5
7.3
6.6
6.3
6.0
6.8
7.6
7.9
7.9
7.5

The average wind speed value in January is 7.5 mph It makes January one of the most windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.2
2.4
3.6
4.8
6.0
7.2
8.4
6.8
5.9
5.2
5.4
6.4
7.0
6.1
6.5
6.3
5.5
6.0
6.8
5.9
5.2
5.4
6.4
7.0
6.1
6.5
6.3
5.5
6.0
6.3

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 6.3.

Best time for vacation in Atami

Sunniest months:
January 17 days
December 17 days
May 13 days
Warmest months:
August 86.1 °F
July 83.4 °F
September 79.9 °F
Warmest sea temp:
August 80.3 °F
September 78.6 °F
July 76.4 °F
Coldest months:
January 48.4 °F
February 49.2 °F
December 53.0 °F
Rainiest months:
June 9 days
July 8 days
September 8 days
Windiest months:
March 8.7 mph
April 8.6 mph
February 8.3 mph

Atami on a weather map

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Places in Japan:
Name
°F
+63°F
+64°F
+64°F
+61°F
+63°F
+63°F
+61°F
+52°F
+61°F
+63°F
+57°F
+66°F
+66°F
+64°F
+57°F
24 Hours Forecast
Atami
Local time: 15:18
April 10, thursday
1800
57°F
NE
6 mph
2100
55°F
NE
9 mph
April 11, friday
0000
55°F
E
14 mph
0300
55°F
NE
9 mph
0600
55°F
NE
5 mph
0900
59°F
NE
5 mph
1200
63°F
NE
6 mph
1500
63°F
NE
5 mph
Units of measurement: °C / °F