How many sunny days does Santiago de María have per year?

Santiago de María averages approximately 307 sunny days per year, based on historical climate data.

What is the air quality in Santiago de María?

Santiago de María has an annual PM2.5 concentration of 15.9 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.

Usulután

Santiago de María · El Salvador

A city in El Salvador.

Small city

15K

896m

22:30 UTC-6

USD

Explore on map →Climate twin →

Santiago de María, El Salvador is a 15K-resident city with 307 sunny days and 0 frost days annually and an annual PM2.5 of 15.9 µg/m³. A city in El Salvador.

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Climate

Feels-like °C

Dinner outside

Climate Lab·Santiago de María

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	34	36	36	35	35	33	33	33	32	32	32	33	34
Daily mean°C	30	31	32	31	31	29	29	28	28	28	28	29	29
Daily low°C	23	24	26	26	26	25	25	25	25	25	24	24	25
Thermal comfort
High feelsDaily high feels-like°C	38	39	39	39	39	37	37	37	37	37	37	37	38
Mean feelsDaily mean feels-like°C	32	33	34	34	34	33	34	33	33	32	32	32	33
Low feelsDaily low feels-like°C	23	23	25	26	27	26	27	26	26	26	25	23	25
Humidity
HumidityRelative humidity%	49	45	49	55	69	80	75	77	83	80	76	56	66
Dewpoint°C	18.0	16.9	19.4	21.9	23.7	23.8	24.0	24.3	24.2	24.3	23.2	19.4	21.9
Precipitation
Rainfallmm	2	2	10	40	129	453	195	306	409	376	153	4	2078
Rain days≥1mm	0	0	2	14	22	29	20	26	30	27	15	1	186
Wind
Wind avgm/s	1.5	1.8	1.7	1.8	1.4	1.0	1.1	1.0	1.0	1.0	1.0	1.4	1.3
Wind gustsm/s	3.2	4.0	3.6	3.4	2.7	2.4	2.0	2.2	2.3	2.2	2.4	3.0	2.8
Sun & UV
Sunshinehrs/day	9.5	9.7	10.8	10.3	9.9	9.0	10.2	9.7	9.3	9.1	9.3	10.0	9.7
Clear skyindex	82%	84%	80%	49%	38%	31%	45%	37%	37%	39%	48%	79%	54%
UV indexmax avg	8.8	10.9	11.3	10.1	9.2	9.3	9.9	10.4	9.9	8.9	8.2	8.0	9.6

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

Confidence: High

Lifestyle Calendar·Santiago de María

Outdoor activities in Santiago de María are challenging most of the year. May through November are the toughest stretch. Dinner outside works 5/12 months, while lunch outside is tough year-round.

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

5/12

Dinner Outside

90Jan: 90% viability

95Feb: 95% viability

86Mar: 86% viability

70Apr: 70% viability

51May: 51% viability

44Jun: 44% viability

44Jul: 44% viability

41Aug: 41% viability

41Sep: 41% viability

41Oct: 41% viability

56Nov: 56% viability

83Dec: 83% viability

5/12

Dinner Outside

90Jan: 90% viability

95Feb: 95% viability

86Mar: 86% viability

70Apr: 70% viability

51May: 51% viability

44Jun: 44% viability

44Jul: 44% viability

41Aug: 41% viability

41Sep: 41% viability

41Oct: 41% viability

56Nov: 56% viability

83Dec: 83% viability

62%

Humid

0/12

Lunch Outside

50Jan: 50% viability

46Feb: 46% viability

38Mar: 38% viability

34Apr: 34% viability

21May: 21% viability

10Jun: 10% viability

16Jul: 16% viability

10Aug: 10% viability

8Sep: 8% viability

13Oct: 13% viability

30Nov: 30% viability

55Dec: 55% viability

0/12

Lunch Outside

50Jan: 50% viability

46Feb: 46% viability

38Mar: 38% viability

34Apr: 34% viability

21May: 21% viability

10Jun: 10% viability

16Jul: 16% viability

10Aug: 10% viability

8Sep: 8% viability

13Oct: 13% viability

30Nov: 30% viability

55Dec: 55% viability

28%

Heat

0/12

Walking

15Jan: 15% viability

12Feb: 12% viability

9Mar: 9% viability

9Apr: 9% viability

11May: 11% viability

23Jun: 23% viability

8Jul: 8% viability

13Aug: 13% viability

19Sep: 19% viability

23Oct: 23% viability

30Nov: 30% viability

24Dec: 24% viability

0/12

Walking

15Jan: 15% viability

12Feb: 12% viability

9Mar: 9% viability

9Apr: 9% viability

11May: 11% viability

23Jun: 23% viability

8Jul: 8% viability

13Aug: 13% viability

19Sep: 19% viability

23Oct: 23% viability

30Nov: 30% viability

24Dec: 24% viability

16%

Heat

0/12

Running

1Jan: 1% viability

1Feb: 1% viability

0Mar: 0% viability

0Apr: 0% viability

1May: 1% viability

6Jun: 6% viability

0Jul: 0% viability

1Aug: 1% viability

2Sep: 2% viability

3Oct: 3% viability

6Nov: 6% viability

2Dec: 2% viability

0/12

Running

1Jan: 1% viability

1Feb: 1% viability

0Mar: 0% viability

0Apr: 0% viability

1May: 1% viability

6Jun: 6% viability

0Jul: 0% viability

1Aug: 1% viability

2Sep: 2% viability

3Oct: 3% viability

6Nov: 6% viability

2Dec: 2% viability

Heat

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

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

Confidence: High

Santiago de María · El Salvador

Climate

Climate Lab·Santiago de María

Lifestyle Calendar·Santiago de María

Air Quality Profile

Air Quality Profile

Who thrives in Santiago de María

Things to consider in Santiago de María

Why not Santiago de María?

Frequently asked about Santiago de María