Weather in Saint Petersburg on 12 August 2026
Preliminary outlook for 12 August 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +21°C and nighttime around +13°C, average precipitation 0.2 mm, wind around 3 m/s, humidity around 74%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+17°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
Nighttime: +13°C
Precipitation: 0.1 mm
Wind: 3 — 4 m/s
Humidity: 62%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 9 h |
| UV index | 5 | Cloud cover (avg.) | 35% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +10°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 278° ← (WNW) |
Sunrise
05:07
Duration
15 h 53 min
Sunset
21:00
Moonrise
21:27
Moonset
09:22
Moon phase
Waning Gibbous
Illumination
73%
+15°C
Weather archive — for 2024 year
Patchy rain nearby
Weather archive — for 2024 year
Nighttime: +12°C
Precipitation: 0.1 mm
Wind: 3 — 3 m/s
Humidity: 84%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 6 h |
| UV index | 4 | Cloud cover (avg.) | 83% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +15°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +16°C | Wind chill (avg.) | +15°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 302° ↖ (NW) |
Sunrise
05:07
Duration
15 h 52 min
Sunset
20:59
Moonrise
15:19
Moonset
21:51
Moon phase
First Quarter
Illumination
50%
+19°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +14°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 61%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 16 h |
| UV index | 5 | Cloud cover (avg.) | 12% |
| Pressure (avg.) | 766 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 166° ← (WNW) |
Sunrise
05:06
Duration
15 h 55 min
Sunset
21:01
Moonrise
No moonrise
Moonset
20:38
Moon phase
Waning Crescent
Illumination
20%
+20°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +16°C
Precipitation: 0.3 mm
Wind: 3 — 4 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 12 h |
| UV index | 5 | Cloud cover (avg.) | 49% |
| Pressure (avg.) | 767 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 264° ← (WNW) |
Sunrise
05:06
Duration
15 h 54 min
Sunset
21:00
Moonrise
21:50
Moonset
04:36
Moon phase
Full Moon
Illumination
100%
+16°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +14°C
Precipitation: 0.2 mm
Wind: 3 — 4 m/s
Humidity: 89%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +18°C | Sun hours | 1 h |
| UV index | 5 | Cloud cover (avg.) | 88% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +16°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +17°C | Wind chill (avg.) | +16°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 253° ↖ (NW) |
Sunrise
05:07
Duration
15 h 53 min
Sunset
21:00
Moonrise
09:55
Moonset
22:17
Moon phase
Waxing Crescent
Illumination
25%
+14°C
Weather archive — for 2020 year
Patchy rain nearby
Weather archive — for 2020 year
Nighttime: +11°C
Precipitation: 0.1 mm
Wind: 3 — 3 m/s
Humidity: 67%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +17°C | Sun hours | 5 h |
| UV index | 4 | Cloud cover (avg.) | 58% |
| Pressure (avg.) | 767 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +13°C | Dew point (avg.) | +7°C |
| Heat index (avg.) | +14°C | Wind chill (avg.) | +13°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 163° ↑ (NNE) |
Sunrise
05:07
Duration
15 h 52 min
Sunset
20:59
Moonrise
23:17
Moonset
15:37
Moon phase
Last Quarter
Illumination
38%
+17°C
Weather archive — for 2019 year
Partly Cloudy
Weather archive — for 2019 year
Nighttime: +13°C
Precipitation: 0.6 mm
Wind: 3 — 4 m/s
Humidity: 81%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 15 h |
| UV index | 4 | Cloud cover (avg.) | 66% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 7 km | Sea temperature | — |
| Feels like (avg.) | +17°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 191° ↙ (SW) |
Sunrise
05:06
Duration
15 h 55 min
Sunset
21:01
Moonrise
19:57
Moonset
01:15
Moon phase
Waxing Gibbous
Illumination
78%
Weather in Saint Petersburg on 12 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+21°C
|
+13°C
|
+17°C | 9 h | 5 | 62% | 3 — 4 m/s |
| 2024 |
+19°C
|
+12°C
|
+15°C | 6 h | 4 | 84% | 3 — 3 m/s |
| 2023 |
+25°C
|
+14°C
|
+19°C | 16 h | 5 | 61% | 2 — 3 m/s |
| 2022 |
+24°C
|
+16°C
|
+20°C | 12 h | 5 | 72% | 3 — 4 m/s |
| 2021 |
+18°C
|
+14°C
|
+16°C | 1 h | 5 | 89% | 3 — 4 m/s |
| 2020 |
+17°C
|
+11°C
|
+14°C | 5 h | 4 | 67% | 3 — 3 m/s |
| 2019 |
+21°C
|
+13°C
|
+17°C | 15 h | 4 | 81% | 3 — 4 m/s |