How many sunny days does Saint John’s have per year?

Saint John’s averages approximately 339 sunny days per year, based on historical climate data.

What is the air quality in Saint John’s?

Saint John’s has an annual PM2.5 concentration of 8.2 µg/m³, classified as "Good" by WHO standards. Within WHO interim target 4. Low health risk for most people.

Saint John Parish

Saint John’s · Antigua and Barbuda

The capital and largest city of Antigua and Barbuda.

Small city

24K

12m

00:27 UTC-4

XCD

Explore on map →Climate twin →

Saint John’s, Antigua and Barbuda is a 24K-resident city with 339 sunny days and 0 frost days annually and an annual PM2.5 of 8.2 µg/m³. The capital and largest city of Antigua and Barbuda.

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Climate

Feels-like °C

Dinner outside

Climate Lab·Saint John’s

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	26	26	26	26	27	28	28	28	29	29	28	27	27
Daily mean°C	26	25	25	26	27	28	28	28	28	28	27	26	27
Daily low°C	25	24	24	25	26	27	27	27	27	27	26	25	26
Thermal comfort
High feelsDaily high feels-like°C	27	26	27	28	29	30	30	31	33	32	30	29	29
Mean feelsDaily mean feels-like°C	25	24	24	25	27	28	28	29	30	29	28	26	27
Low feelsDaily low feels-like°C	19	19	19	20	22	24	24	25	25	24	23	21	22
Humidity
HumidityRelative humidity%	75	77	76	76	78	79	80	80	80	80	79	76	78
Dewpoint°C	20.8	20.7	20.6	21.3	22.6	23.3	23.9	24.1	24.1	23.6	22.9	21.8	22.5
Precipitation
Rainfallmm	35	47	39	40	31	73	101	93	116	86	132	47	839
Rain days≥1mm	16	15	15	11	13	17	23	17	22	18	17	15	199
Wind
Wind avgm/s	7.1	8.1	6.8	6.5	7.0	7.2	7.7	7.0	5.5	6.2	6.8	7.0	6.9
Wind gustsm/s	9.8	10.3	9.4	8.6	8.8	9.5	10.1	9.5	8.4	9.6	9.2	10.1	9.4
Sun & UV
Sunshinehrs/day	9.3	10.0	10.4	10.8	11.0	10.7	10.9	10.7	10.2	9.7	9.4	9.4	10.2
Clear skyindex	76%	78%	74%	59%	57%	51%	57%	54%	51%	62%	67%	74%	63%
UV indexmax avg	7.4	8.7	10.9	11.7	11.3	10.5	9.9	10.9	10.2	9.1	7.2	6.7	9.5

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

Confidence: High

Lifestyle Calendar·Saint John’s

Outdoor living in Saint John’s is seasonal. 2 months of the year are the toughest stretch. Lunch outside is tough year-round, 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

0/12

Dinner Outside

46Jan: 46% viability

33Feb: 33% viability

46Mar: 46% viability

50Apr: 50% viability

54May: 54% viability

31Jun: 31% viability

19Jul: 19% viability

38Aug: 38% viability

59Sep: 59% viability

52Oct: 52% viability

40Nov: 40% viability

44Dec: 44% viability

0/12

Dinner Outside

46Jan: 46% viability

33Feb: 33% viability

46Mar: 46% viability

50Apr: 50% viability

54May: 54% viability

31Jun: 31% viability

19Jul: 19% viability

38Aug: 38% viability

59Sep: 59% viability

52Oct: 52% viability

40Nov: 40% viability

44Dec: 44% viability

43%

Wind

0/12

Lunch Outside

46Jan: 46% viability

36Feb: 36% viability

50Mar: 50% viability

55Apr: 55% viability

55May: 55% viability

37Jun: 37% viability

23Jul: 23% viability

43Aug: 43% viability

60Sep: 60% viability

52Oct: 52% viability

48Nov: 48% viability

46Dec: 46% viability

0/12

Lunch Outside

46Jan: 46% viability

36Feb: 36% viability

50Mar: 50% viability

55Apr: 55% viability

55May: 55% viability

37Jun: 37% viability

23Jul: 23% viability

43Aug: 43% viability

60Sep: 60% viability

52Oct: 52% viability

48Nov: 48% viability

46Dec: 46% viability

46%

Humid

10/12

Walking

72Jan: 72% viability

53Feb: 53% viability

71Mar: 71% viability

84Apr: 84% viability

86May: 86% viability

70Jun: 70% viability

63Jul: 63% viability

68Aug: 68% viability

69Sep: 69% viability

65Oct: 65% viability

77Nov: 77% viability

67Dec: 67% viability

10/12

Walking

72Jan: 72% viability

53Feb: 53% viability

71Mar: 71% viability

84Apr: 84% viability

86May: 86% viability

70Jun: 70% viability

63Jul: 63% viability

68Aug: 68% viability

69Sep: 69% viability

65Oct: 65% viability

77Nov: 77% viability

67Dec: 67% viability

70%

Humid

6/12

Running

70Jan: 70% viability

53Feb: 53% viability

70Mar: 70% viability

83Apr: 83% viability

84May: 84% viability

67Jun: 67% viability

62Jul: 62% viability

59Aug: 59% viability

52Sep: 52% viability

51Oct: 51% viability

73Nov: 73% viability

64Dec: 64% viability

6/12

Running

70Jan: 70% viability

53Feb: 53% viability

70Mar: 70% viability

83Apr: 83% viability

84May: 84% viability

67Jun: 67% viability

62Jul: 62% viability

59Aug: 59% viability

52Sep: 52% viability

51Oct: 51% viability

73Nov: 73% viability

64Dec: 64% viability

66%

Humid

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

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

Confidence: High

Saint John’s · Antigua and Barbuda

Climate

Climate Lab·Saint John’s

Lifestyle Calendar·Saint John’s

Air Quality Profile

Air Quality Profile

Who thrives in Saint John’s

Frequently asked about Saint John’s