How many sunny days does Okayama have per year?

Okayama averages approximately 191 sunny days per year, based on historical climate data.

What is the air quality in Okayama?

Okayama has an annual PM2.5 concentration of 13.4 µg/m³, classified as "Fair" by WHO standards. Slightly above WHO targets. Sensitive individuals may notice effects.

Okayama

Okayama · Japan

A city in Japan.

Medium city

847K

357 km²

13:06 UTC+9

JPY

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Okayama, Japan is a 847K-resident city with 191 sunny days and 17 frost days annually and an annual PM2.5 of 13.4 µg/m³. A city in Japan.

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Climate

Feels-like °C

Dinner outside

Climate Lab·Okayama

Monthly climate metrics across temperature, precipitation, wind, and UV.

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Metric	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Temperature
Daily high°C	12	13	18	22	25	28	32	34	31	26	20	14	23
Daily mean°C	7	9	12	17	21	25	29	31	28	21	15	8	19
Daily low°C	2	3	7	12	17	21	26	27	22	14	8	3	14
Thermal comfort
High feelsDaily high feels-like°C	12	15	19	22	27	30	35	36	32	27	22	14	24
Mean feelsDaily mean feels-like°C	1	4	9	14	20	25	30	32	26	19	10	2	16
Low feelsDaily low feels-like°C	-9	-6	-1	4	12	18	25	27	20	9	0	-9	7
Humidity
HumidityRelative humidity%	60	59	59	57	66	69	75	70	69	63	64	58	64
Dewpoint°C	-1.4	-0.3	4.5	8.6	13.4	19.0	23.9	24.3	20.7	11.9	7.1	0.1	11.0
Precipitation
Rainfallmm	46	53	99	152	165	210	267	199	99	48	54	20	1412
Rain days≥1mm	6	7	10	8	10	13	16	15	12	7	5	4	113
Snowfallmm	0	0	0	0	0	0	0	0	0	0	0	0	0
Wind
Wind avgm/s	2.6	2.5	2.5	2.3	2.5	2.2	2.2	2.3	2.2	2.1	2.0	3.0	2.4
Wind gustsm/s	6.6	6.2	5.8	5.3	5.2	4.8	4.7	5.0	4.7	5.0	5.7	6.8	5.5
Sun & UV
Sunshinehrs/day	7.5	8.0	9.2	10.0	9.9	9.0	10.0	10.2	8.7	8.4	7.6	7.0	8.8
Clear skyindex	37%	48%	47%	50%	40%	32%	34%	51%	39%	56%	53%	56%	45%
UV indexmax avg	2.0	2.9	3.7	5.4	6.6	6.3	6.3	7.5	5.9	4.2	2.6	2.0	4.6

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Lifestyle Calendar·Okayama

Okayama offers a solid outdoor season. May through June are perfect for all activities. Dinner outside works 5/12 months, while walking is comfortable 10/12 months — impressive.

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

5/12

Dinner Outside

0Jan: 0% viability

0Feb: 0% viability

12Mar: 12% viability

35Apr: 35% viability

73May: 73% viability

81Jun: 81% viability

79Jul: 79% viability

82Aug: 82% viability

87Sep: 87% viability

63Oct: 63% viability

19Nov: 19% viability

1Dec: 1% viability

5/12

Dinner Outside

0Jan: 0% viability

0Feb: 0% viability

12Mar: 12% viability

35Apr: 35% viability

73May: 73% viability

81Jun: 81% viability

79Jul: 79% viability

82Aug: 82% viability

87Sep: 87% viability

63Oct: 63% viability

19Nov: 19% viability

1Dec: 1% viability

44%

Cold

7/12

Lunch Outside

54Jan: 54% viability

60Feb: 60% viability

74Mar: 74% viability

81Apr: 81% viability

82May: 82% viability

75Jun: 75% viability

49Jul: 49% viability

28Aug: 28% viability

68Sep: 68% viability

90Oct: 90% viability

83Nov: 83% viability

58Dec: 58% viability

7/12

Lunch Outside

54Jan: 54% viability

60Feb: 60% viability

74Mar: 74% viability

81Apr: 81% viability

82May: 82% viability

75Jun: 75% viability

49Jul: 49% viability

28Aug: 28% viability

68Sep: 68% viability

90Oct: 90% viability

83Nov: 83% viability

58Dec: 58% viability

67%

Cold

10/12

Walking

95Jan: 95% viability

98Feb: 98% viability

98Mar: 98% viability

98Apr: 98% viability

97May: 97% viability

93Jun: 93% viability

52Jul: 52% viability

24Aug: 24% viability

74Sep: 74% viability

99Oct: 99% viability

98Nov: 98% viability

96Dec: 96% viability

10/12

Walking

95Jan: 95% viability

98Feb: 98% viability

98Mar: 98% viability

98Apr: 98% viability

97May: 97% viability

93Jun: 93% viability

52Jul: 52% viability

24Aug: 24% viability

74Sep: 74% viability

99Oct: 99% viability

98Nov: 98% viability

96Dec: 96% viability

85%

Humid

9/12

Running

95Jan: 95% viability

98Feb: 98% viability

98Mar: 98% viability

98Apr: 98% viability

96May: 96% viability

74Jun: 74% viability

28Jul: 28% viability

9Aug: 9% viability

49Sep: 49% viability

96Oct: 96% viability

98Nov: 98% viability

96Dec: 96% viability

9/12

Running

95Jan: 95% viability

98Feb: 98% viability

98Mar: 98% viability

98Apr: 98% viability

96May: 96% viability

74Jun: 74% viability

28Jul: 28% viability

9Aug: 9% viability

49Sep: 49% viability

96Oct: 96% viability

98Nov: 98% viability

96Dec: 96% viability

78%

Humid

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Okayama · Japan

Climate

Climate Lab·Okayama

Lifestyle Calendar·Okayama

Air Quality Profile

Air Quality Profile

Who thrives in Okayama

Frequently asked about Okayama

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