How many sunny days does Nuku‘alofa have per year?

Nuku‘alofa averages approximately 224 sunny days per year, based on historical climate data.

What is the air quality in Nuku‘alofa?

Nuku‘alofa has an annual PM2.5 concentration of 3.7 µg/m³, classified as "Excellent" by WHO standards. Meets WHO guideline. Minimal health risk.

Tongatapu

Nuku‘alofa · Tonga

Name: Nuku‘alofa, Tonga
Address: Nuku‘alofa, TO

The capital and largest city of Tonga.

Small city

52K

20 km²

17:02 UTC+13

TOP

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Nuku‘alofa, Tonga is a 52K-resident city with 224 sunny days and 0 frost days annually and an annual PM2.5 of 3.7 µg/m³. The capital and largest city of Tonga.

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Climate

Feels-like °C

Dinner outside

Climate Lab·Nuku‘alofa

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	27	27	27	27	26	25	24	23	24	24	25	27	26
Daily mean°C	27	27	26	26	25	24	23	22	23	24	25	26	25
Daily low°C	26	26	26	25	24	23	22	21	22	23	24	25	24
Thermal comfort
High feelsDaily high feels-like°C	30	31	30	30	28	26	25	24	25	25	29	30	28
Mean feelsDaily mean feels-like°C	27	27	27	26	23	21	19	18	20	22	24	26	23
Low feelsDaily low feels-like°C	23	23	23	20	18	16	13	12	14	16	19	22	18
Humidity
HumidityRelative humidity%	83	83	82	80	78	72	76	72	77	80	80	82	79
Dewpoint°C	23.5	23.5	22.7	22.1	20.1	17.9	17.8	17.1	18.4	19.6	21.2	22.8	20.6
Precipitation
Rainfallmm	379	293	380	165	133	76	74	125	61	263	116	146	2212
Rain days≥1mm	23	20	22	16	16	11	11	17	13	15	12	17	193
Wind
Wind avgm/s	6.3	6.6	6.2	5.1	6.7	6.7	7.6	7.4	6.7	7.7	6.3	6.6	6.7
Wind gustsm/s	10.3	11.0	10.0	10.2	11.2	10.1	11.1	10.8	11.1	11.7	10.1	10.0	10.6
Sun & UV
Sunshinehrs/day	10.0	10.4	9.0	8.3	8.7	8.2	8.3	8.5	8.8	9.5	10.3	11.1	9.3
Clear skyindex	27%	43%	29%	41%	44%	44%	49%	46%	44%	45%	48%	44%	42%
UV indexmax avg	12.5	12.1	10.1	8.6	6.1	5.1	5.4	7.2	8.6	10.0	11.4	11.9	9.1

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

Confidence: High

Lifestyle Calendar·Nuku‘alofa

Outdoor living in Nuku‘alofa is seasonal. 5 months of the year are the toughest stretch. Lunch outside is tough year-round, while walking works 7/12 months.

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

0/12

Dinner Outside

56Jan: 56% viability

45Feb: 45% viability

54Mar: 54% viability

55Apr: 55% viability

49May: 49% viability

50Jun: 50% viability

42Jul: 42% viability

44Aug: 44% viability

41Sep: 41% viability

34Oct: 34% viability

51Nov: 51% viability

50Dec: 50% viability

0/12

Dinner Outside

56Jan: 56% viability

45Feb: 45% viability

54Mar: 54% viability

55Apr: 55% viability

49May: 49% viability

50Jun: 50% viability

42Jul: 42% viability

44Aug: 44% viability

41Sep: 41% viability

34Oct: 34% viability

51Nov: 51% viability

50Dec: 50% viability

48%

Wind

0/12

Lunch Outside

19Jan: 19% viability

20Feb: 20% viability

20Mar: 20% viability

36Apr: 36% viability

32May: 32% viability

39Jun: 39% viability

37Jul: 37% viability

36Aug: 36% viability

32Sep: 32% viability

25Oct: 25% viability

36Nov: 36% viability

32Dec: 32% viability

0/12

Lunch Outside

19Jan: 19% viability

20Feb: 20% viability

20Mar: 20% viability

36Apr: 36% viability

32May: 32% viability

39Jun: 39% viability

37Jul: 37% viability

36Aug: 36% viability

32Sep: 32% viability

25Oct: 25% viability

36Nov: 36% viability

32Dec: 32% viability

30%

Wind

7/12

Walking

66Jan: 66% viability

57Feb: 57% viability

72Mar: 72% viability

76Apr: 76% viability

68May: 68% viability

71Jun: 71% viability

60Jul: 60% viability

63Aug: 63% viability

59Sep: 59% viability

51Oct: 51% viability

68Nov: 68% viability

65Dec: 65% viability

7/12

Walking

66Jan: 66% viability

57Feb: 57% viability

72Mar: 72% viability

76Apr: 76% viability

68May: 68% viability

71Jun: 71% viability

60Jul: 60% viability

63Aug: 63% viability

59Sep: 59% viability

51Oct: 51% viability

68Nov: 68% viability

65Dec: 65% viability

65%

Humid

7/12

Running

66Jan: 66% viability

56Feb: 56% viability

71Mar: 71% viability

75Apr: 75% viability

68May: 68% viability

71Jun: 71% viability

60Jul: 60% viability

63Aug: 63% viability

59Sep: 59% viability

51Oct: 51% viability

67Nov: 67% viability

65Dec: 65% viability

7/12

Running

66Jan: 66% viability

56Feb: 56% viability

71Mar: 71% viability

75Apr: 75% viability

68May: 68% viability

71Jun: 71% viability

60Jul: 60% viability

63Aug: 63% viability

59Sep: 59% viability

51Oct: 51% viability

67Nov: 67% viability

65Dec: 65% viability

64%

Humid

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

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

Confidence: High

Nuku‘alofa · Tonga

Climate

Climate Lab·Nuku‘alofa

Lifestyle Calendar·Nuku‘alofa

Air Quality Profile

Air Quality Profile

Who thrives in Nuku‘alofa

Frequently asked about Nuku‘alofa