Small city
20K
119m
00:06 UTC-4
XCD
Castries, Saint Lucia is a 20K-resident city with 329 sunny days and 0 frost days annually and an annual PM2.5 of 9.9 µg/m³. The capital of Saint Lucia.
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Take the quizClimate
Feels-like °C
27
27
28
29
31
31
31
32
33
31
29
29
Dinner outside
J
F
M
A
M
J
J
A
S
O
N
D
Climate Lab·Castries
Monthly climate metrics across temperature, precipitation, wind, and UV.
CastriesSaint Lucia
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | |||||||||||||
| Daily high°C | 28 | 28 | 28 | 29 | 30 | 30 | 30 | 30 | 31 | 30 | 29 | 29 | 29 |
| Daily mean°C | 26 | 26 | 27 | 27 | 28 | 29 | 28 | 29 | 29 | 28 | 28 | 27 | 28 |
| Daily low°C | 25 | 24 | 25 | 25 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 |
| Thermal comfort | |||||||||||||
| High feelsDaily high feels-like°C | 31 | 31 | 32 | 33 | 34 | 34 | 33 | 34 | 37 | 35 | 33 | 33 | 33 |
| Mean feelsDaily mean feels-like°C | 27 | 27 | 28 | 29 | 31 | 31 | 31 | 32 | 33 | 31 | 29 | 29 | 30 |
| Low feelsDaily low feels-like°C | 20 | 19 | 19 | 21 | 22 | 23 | 24 | 25 | 26 | 24 | 23 | 21 | 22 |
| Humidity | |||||||||||||
| HumidityRelative humidity% | 70 | 69 | 67 | 67 | 68 | 73 | 76 | 75 | 74 | 76 | 79 | 73 | 72 |
| Dewpoint°C | 20.2 | 19.6 | 19.8 | 20.4 | 21.5 | 22.4 | 23.1 | 23.6 | 23.5 | 23.5 | 23.0 | 21.5 | 21.8 |
| Precipitation | |||||||||||||
| Rainfallmm | 40 | 34 | 33 | 34 | 30 | 100 | 112 | 125 | 104 | 123 | 133 | 50 | 917 |
| Rain days≥1mm | 18 | 13 | 15 | 13 | 11 | 20 | 27 | 23 | 22 | 24 | 26 | 16 | 228 |
| Wind | |||||||||||||
| Wind avgm/s | 5.8 | 6.5 | 5.7 | 5.6 | 6.1 | 6.3 | 5.9 | 4.8 | 3.8 | 4.7 | 5.5 | 5.5 | 5.5 |
| Wind gustsm/s | 8.5 | 8.2 | 7.8 | 7.2 | 7.6 | 8.1 | 8.1 | 7.3 | 5.9 | 7.3 | 7.2 | 7.5 | 7.6 |
| Sun & UV | |||||||||||||
| Sunshinehrs/day | 8.9 | 9.7 | 9.9 | 10.5 | 10.5 | 10.6 | 10.5 | 10.4 | 10.0 | 9.9 | 9.3 | 9.2 | 10.0 |
| Clear skyindex | 66% | 70% | 57% | 46% | 51% | 51% | 52% | 45% | 50% | 53% | 51% | 63% | 55% |
| UV indexmax avg | 8.1 | 9.5 | 11.4 | 12.0 | 11.3 | 9.7 | 10.0 | 10.6 | 10.4 | 9.0 | 8.0 | 7.7 | 9.8 |
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High
Lifestyle Calendar·Castries
Outdoor living in Castries is seasonal. Dinner outside is comfortable 12/12 months — impressive, while walking works 6/12 months.
CastriesSaint Lucia
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Annual
12/12
Dinner Outside79
Jan: 77% viability
77Feb: 75% viability
75Mar: 85% viability
85Apr: 91% viability
91May: 90% viability
90Jun: 71% viability
71Jul: 72% viability
72Aug: 75% viability
75Sep: 77% viability
77Oct: 74% viability
74Nov: 74% viability
74Dec: 84% viability
8412/12
Dinner OutsideJan: 77% viability
77Feb: 75% viability
75Mar: 85% viability
85Apr: 91% viability
91May: 90% viability
90Jun: 71% viability
71Jul: 72% viability
72Aug: 75% viability
75Sep: 77% viability
77Oct: 74% viability
74Nov: 74% viability
74Dec: 84% viability
8479%
0/12
Lunch Outside40
Jan: 44% viability
44Feb: 41% viability
41Mar: 48% viability
48Apr: 51% viability
51May: 46% viability
46Jun: 37% viability
37Jul: 32% viability
32Aug: 37% viability
37Sep: 18% viability
18Oct: 29% viability
29Nov: 43% viability
43Dec: 48% viability
480/12
Lunch OutsideJan: 44% viability
44Feb: 41% viability
41Mar: 48% viability
48Apr: 51% viability
51May: 46% viability
46Jun: 37% viability
37Jul: 32% viability
32Aug: 37% viability
37Sep: 18% viability
18Oct: 29% viability
29Nov: 43% viability
43Dec: 48% viability
4840%
Humid
6/12
Walking59
Jan: 81% viability
81Feb: 76% viability
76Mar: 79% viability
79Apr: 70% viability
70May: 54% viability
54Jun: 51% viability
51Jul: 59% viability
59Aug: 31% viability
31Sep: 18% viability
18Oct: 38% viability
38Nov: 73% viability
73Dec: 80% viability
806/12
WalkingJan: 81% viability
81Feb: 76% viability
76Mar: 79% viability
79Apr: 70% viability
70May: 54% viability
54Jun: 51% viability
51Jul: 59% viability
59Aug: 31% viability
31Sep: 18% viability
18Oct: 38% viability
38Nov: 73% viability
73Dec: 80% viability
8059%
Humid
0/12
Running19
Jan: 44% viability
44Feb: 42% viability
42Mar: 32% viability
32Apr: 16% viability
16May: 7% viability
7Jun: 8% viability
8Jul: 8% viability
8Aug: 5% viability
5Sep: 3% viability
3Oct: 12% viability
12Nov: 24% viability
24Dec: 29% viability
290/12
RunningJan: 44% viability
44Feb: 42% viability
42Mar: 32% viability
32Apr: 16% viability
16May: 7% viability
7Jun: 8% viability
8Jul: 8% viability
8Aug: 5% viability
5Sep: 3% viability
3Oct: 12% viability
12Nov: 24% viability
24Dec: 29% viability
2919%
Heat
Tap any month for details · Click activity name for overview
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High
