Weather in Irkutsk on 31 July 2026
Preliminary outlook for 31 July 2026
A preliminary estimate based on the 2019–2025 archive: daytime around +27°C and nighttime around +15°C, average precipitation 0 mm, wind around 1 m/s, humidity around 70%.
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.
+18°C
Weather archive — latest year: 2025
Patchy rain nearby
Weather archive — latest year: 2025
Nighttime: +16°C
Precipitation: 0 mm
Wind: 1 — 2 m/s
Humidity: 78%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 64% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 3 m/s | Wind direction (avg.) | 239° ↓ (S) |
Sunrise
05:22
Duration
15 h 33 min
Sunset
20:55
Moonrise
12:54
Moonset
22:50
Moon phase
Waxing Crescent
Illumination
36%
+22°C
Weather archive — for 2024 year
Partly Cloudy
Weather archive — for 2024 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 1 — 2 m/s
Humidity: 67%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 12 h |
| UV index | 6 | Cloud cover (avg.) | 44% |
| Pressure (avg.) | 753 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 3 m/s | Wind direction (avg.) | 293° ← (W) |
Sunrise
05:22
Duration
15 h 33 min
Sunset
20:55
Moonrise
00:21
Moonset
18:34
Moon phase
Waning Crescent
Illumination
26%
+24°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +18°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 64%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +33°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 145° ↘ (SE) |
Sunrise
05:21
Duration
15 h 35 min
Sunset
20:56
Moonrise
20:43
Moonset
02:17
Moon phase
Waxing Gibbous
Illumination
89%
+20°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +14°C
Precipitation: 0 mm
Wind: 1 — 2 m/s
Humidity: 62%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +28°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 19% |
| Pressure (avg.) | 752 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +13°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 3 m/s | Wind direction (avg.) | 244° ↖ (NNW) |
Sunrise
05:21
Duration
15 h 35 min
Sunset
20:56
Moonrise
07:34
Moonset
22:23
Moon phase
Waxing Crescent
Illumination
12%
+18°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +11°C
Precipitation: 0 mm
Wind: 1 — 1 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +23°C | Sun hours | 15 h |
| UV index | 5 | Cloud cover (avg.) | 15% |
| 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.) | +12°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 229° ↖ (NNW) |
Sunrise
05:22
Duration
15 h 34 min
Sunset
20:56
Moonrise
23:53
Moonset
13:34
Moon phase
Last Quarter
Illumination
51%
+19°C
Weather archive — for 2020 year
Partly Cloudy
Weather archive — for 2020 year
Nighttime: +14°C
Precipitation: 0.1 mm
Wind: 3 — 4 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 46% |
| Pressure (avg.) | 755 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +19°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 301° ↖ (NW) |
Sunrise
05:22
Duration
15 h 33 min
Sunset
20:55
Moonrise
18:39
Moonset
01:34
Moon phase
Waxing Gibbous
Illumination
72%
+20°C
Weather archive — for 2019 year
Clear/Sunny
Weather archive — for 2019 year
Nighttime: +13°C
Precipitation: 0 mm
Wind: 1 — 1 m/s
Humidity: 73%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 15 h |
| UV index | 6 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +20°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +20°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 3 m/s | Wind direction (avg.) | 242° ↙ (WSW) |
Sunrise
05:21
Duration
15 h 35 min
Sunset
20:56
Moonrise
03:47
Moonset
20:35
Moon phase
New Moon
Illumination
0%
Weather in Irkutsk on 31 July in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+21°C
|
+16°C
|
+18°C | 11 h | 5 | 78% | 1 — 2 m/s |
| 2024 |
+29°C
|
+18°C
|
+22°C | 12 h | 6 | 67% | 1 — 2 m/s |
| 2023 |
+33°C
|
+18°C
|
+24°C | 14 h | 6 | 64% | 2 — 3 m/s |
| 2022 |
+28°C
|
+14°C
|
+20°C | 15 h | 6 | 62% | 1 — 2 m/s |
| 2021 |
+23°C
|
+11°C
|
+18°C | 15 h | 5 | 72% | 1 — 1 m/s |
| 2020 |
+25°C
|
+14°C
|
+19°C | 14 h | 5 | 76% | 3 — 4 m/s |
| 2019 |
+27°C
|
+13°C
|
+20°C | 15 h | 6 | 73% | 1 — 1 m/s |