Photo by Jesus David Gomez on Unsplash
Small city
36K
12m
20:22 UTC+0
EUR
Viana do Castelo enjoys 228 sunny days a year — mild conditions year-round. On the other hand, mobility score below average.
Viana do Castelo, Portugal is a 36K-resident city with 228 sunny days and 0 frost days annually and an annual PM2.5 of 10.0 µg/m³. A city in Portugal.
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Feels-like °C
6
10
10
14
16
20
24
25
19
14
10
7
Dinner outside
J
F
M
A
M
J
J
A
S
O
N
D
Climate Lab·Viana do Castelo
Monthly climate metrics across temperature, precipitation, wind, and UV.
Viana do CasteloPortugal
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | |||||||||||||
| Daily high°C | 14 | 16 | 17 | 19 | 21 | 23 | 26 | 25 | 23 | 21 | 18 | 15 | 20 |
| Daily mean°C | 11 | 13 | 13 | 15 | 16 | 18 | 21 | 21 | 20 | 17 | 15 | 12 | 16 |
| Daily low°C | 6 | 9 | 9 | 11 | 12 | 15 | 17 | 17 | 16 | 14 | 11 | 7 | 12 |
| Thermal comfort | |||||||||||||
| High feelsDaily high feels-like°C | 17 | 21 | 22 | 24 | 25 | 29 | 33 | 31 | 28 | 27 | 22 | 17 | 25 |
| Mean feelsDaily mean feels-like°C | 6 | 10 | 10 | 14 | 16 | 20 | 24 | 25 | 19 | 14 | 10 | 7 | 15 |
| Low feelsDaily low feels-like°C | -2 | -1 | 1 | 5 | 7 | 13 | 15 | 15 | 11 | 7 | 4 | -1 | 6 |
| Humidity | |||||||||||||
| HumidityRelative humidity% | 84 | 82 | 78 | 76 | 76 | 79 | 75 | 75 | 79 | 85 | 83 | 84 | 80 |
| Dewpoint°C | 6.4 | 8.8 | 8.7 | 10.9 | 11.5 | 14.5 | 16.1 | 16.3 | 15.8 | 14.9 | 11.3 | 8.0 | 11.9 |
| Precipitation | |||||||||||||
| Rainfallmm | 194 | 67 | 102 | 101 | 48 | 39 | 16 | 8 | 95 | 304 | 107 | 185 | 1267 |
| Rain days≥1mm | 13 | 10 | 14 | 10 | 9 | 8 | 5 | 4 | 10 | 19 | 12 | 19 | 133 |
| Wind | |||||||||||||
| Wind avgm/s | 3.5 | 3.1 | 3.6 | 3.4 | 3.0 | 3.4 | 3.5 | 3.5 | 2.9 | 3.4 | 3.3 | 3.9 | 3.4 |
| Windiest hoursm/s | 8.1 | 6.6 | 7.7 | 6.9 | 6.4 | 6.5 | 6.4 | 6.2 | 6.5 | 7.9 | 7.8 | 7.1 | 7.0 |
| Sun & UV | |||||||||||||
| Sunshinehrs/day | 7.0 | 8.0 | 8.8 | 10.4 | 11.3 | 11.6 | 12.8 | 11.7 | 9.0 | 7.3 | 6.3 | 5.7 | 9.2 |
| Clear skyindex | 44% | 50% | 45% | 49% | 52% | 54% | 76% | 66% | 50% | 41% | 43% | 38% | 51% |
| UV indexmax avg | 1.3 | 2.2 | 3.6 | 5.1 | 6.4 | 7.1 | 8.3 | 7.3 | 5.0 | 2.6 | 1.8 | 1.2 | 4.3 |
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High
Lifestyle Calendar·Viana do Castelo
Viana do Castelo offers a solid outdoor season. May through September are perfect for all activities. Dinner outside works 6/12 months, while walking is comfortable 12/12 months — impressive.
Viana do CasteloPortugal
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Annual
6/12
Dinner Outside59
Jan: 26% viability
26Feb: 32% viability
32Mar: 40% viability
40Apr: 67% viability
67May: 82% viability
82Jun: 85% viability
85Jul: 84% viability
84Aug: 85% viability
85Sep: 87% viability
87Oct: 62% viability
62Nov: 35% viability
35Dec: 26% viability
266/12
Dinner OutsideJan: 26% viability
26Feb: 32% viability
32Mar: 40% viability
40Apr: 67% viability
67May: 82% viability
82Jun: 85% viability
85Jul: 84% viability
84Aug: 85% viability
85Sep: 87% viability
87Oct: 62% viability
62Nov: 35% viability
35Dec: 26% viability
2659%
Cold
5/12
Lunch Outside62
Jan: 53% viability
53Feb: 61% viability
61Mar: 58% viability
58Apr: 61% viability
61May: 66% viability
66Jun: 67% viability
67Jul: 80% viability
80Aug: 80% viability
80Sep: 66% viability
66Oct: 48% viability
48Nov: 55% viability
55Dec: 43% viability
435/12
Lunch OutsideJan: 53% viability
53Feb: 61% viability
61Mar: 58% viability
58Apr: 61% viability
61May: 66% viability
66Jun: 67% viability
67Jul: 80% viability
80Aug: 80% viability
80Sep: 66% viability
66Oct: 48% viability
48Nov: 55% viability
55Dec: 43% viability
4362%
Rain
12/12
Walking93
Jan: 93% viability
93Feb: 93% viability
93Mar: 95% viability
95Apr: 97% viability
97May: 98% viability
98Jun: 97% viability
97Jul: 83% viability
83Aug: 89% viability
89Sep: 96% viability
96Oct: 91% viability
91Nov: 96% viability
96Dec: 93% viability
9312/12
WalkingJan: 93% viability
93Feb: 93% viability
93Mar: 95% viability
95Apr: 97% viability
97May: 98% viability
98Jun: 97% viability
97Jul: 83% viability
83Aug: 89% viability
89Sep: 96% viability
96Oct: 91% viability
91Nov: 96% viability
96Dec: 93% viability
9393%
12/12
Running93
Jan: 93% viability
93Feb: 93% viability
93Mar: 95% viability
95Apr: 97% viability
97May: 97% viability
97Jun: 96% viability
96Jul: 81% viability
81Aug: 86% viability
86Sep: 94% viability
94Oct: 91% viability
91Nov: 96% viability
96Dec: 93% viability
9312/12
RunningJan: 93% viability
93Feb: 93% viability
93Mar: 95% viability
95Apr: 97% viability
97May: 97% viability
97Jun: 96% viability
96Jul: 81% viability
81Aug: 86% viability
86Sep: 94% viability
94Oct: 91% viability
91Nov: 96% viability
96Dec: 93% viability
9393%
Tap any month for details · Click activity name for overview
ComfortableModerateUncomfortable
Based on 2014–2024 hourly climate data · Updated Mar 2025
Confidence: High
