Ust’-Kut in Spring
In spring (March, April and May), Ust’-Kut sees average daytime highs around 5°C and overnight lows near -7°C, with 90 mm of precipitation over about 27 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs climb from about -8°C in early March to 17°C by late May. The sky is clear or mostly clear about 13% of the time across spring, and the air most often feels dry.
Spring is Ust’-Kut's 2nd-best season to visit on our travel score. For the whole year in context, see Ust’-Kut's year-round climate.
- Avg daytime high
- 5°C
- 2nd-warmest season
- Avg overnight low
- -7°C
- Precipitation
- 90 mm
- 27 wet days
- Avg wind
- 10 km/h
- Travel score
- 1.3
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Ust’-Kut in Spring
Over the season highs climb from about -8°C in early March to 17°C by late May.
A typical spring day in Ust’-Kut reaches about 5°C and drops to -7°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Ust’-Kut
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 83 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Ust’-Kut weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -20° / -28° | 13 | 4.7 | 8.6 | 7.2 | 0.0 |
| Feb | -14° / -24° | 11 | 3.8 | 7 | 9.1 | 0.0 |
| Mar | -4° / -16° | 18 | 6.2 | 8.6 | 11.4 | 0.0 |
| Apr | 5° / -7° | 28 | 9 | 7 | 13.9 | 0.4 |
| May | 14° / 1° | 44 | 11.7 | 2.1 | 16.1 | 3.6 |
| Jun | 21° / 9° | 57 | 11.8 | 0 | 17.4 | 6.0 |
| Jul | 23° / 12° | 69 | 11.4 | 0 | 16.9 | 6.6 |
| Aug | 20° / 9° | 72 | 11.3 | 0 | 14.9 | 6.0 |
| Sep | 12° / 2° | 51 | 11.2 | 1.3 | 12.5 | 2.9 |
| Oct | 2° / -6° | 37 | 10.4 | 8.9 | 10 | 0.1 |
| Nov | -11° / -19° | 27 | 8.6 | 11.4 | 7.8 | 0.0 |
| Dec | -18° / -26° | 18 | 6.6 | 10.2 | 6.6 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 13% of the time across spring.
Chance of precipitation in Spring
Ust’-Kut gets around 90 mm of rain and snow over 27 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 10 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 12 min in early March to 17 hours by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 4.4 kWh/m².
Is spring a good time to visit Ust’-Kut?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Ust’-Kut.
What to pack for Ust’-Kut in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Ust’-Kut sees daytime highs around 5°C and nights near -7°C. Pack a warm layer and a heavy coat. Worth having: rain gear and sun protection. About 27 days see rain.
UV index in Ust’-Kut in Spring
Clear-sky midday UV across spring averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ust’-Kut peaks around June 21 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 19 at about 0 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 0 | 1 | 2 | 4 | 5 | 6 | 5 | 5 | 3 | 1 | 0 | 0 |
| Level | Low | Low | Low | Moderate | Moderate | High | High | Moderate | Moderate | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 0 | Low |
| Feb | 1 | Low |
| Mar | 2 | Low |
| Apr | 4 | Moderate |
| May | 5 | Moderate |
| Jun | 6 | High |
| Jul | 5 | High |
| Aug | 5 | Moderate |
| Sep | 3 | Moderate |
| Oct | 1 | Low |
| Nov | 0 | Low |
| Dec | 0 | Low |
Air quality in Ust’-Kut in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Ust’-Kut is worst in July — around 56 µg/m³ PM2.5 (unhealthy), about 46.8× the cleanest month (December, 1 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 2 | 5 | 5 | 10 | 11 | 42 | 56 | 52 | 39 | 16 | 3 | 1 |
| Level | Good | Good | Good | Good | Good | Poor | Unhealthy | Poor | Poor | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 2 | Good |
| Feb | 5 | Good |
| Mar | 5 | Good |
| Apr | 10 | Good |
| May | 11 | Good |
| Jun | 42 | Poor |
| Jul | 56 | Unhealthy |
| Aug | 52 | Poor |
| Sep | 39 | Poor |
| Oct | 16 | Moderate |
| Nov | 3 | Good |
| Dec | 1 | Good |
Where is Ust’-Kut?
Ust’-Kut sits at 56.8°N, 105.8°E, 285 m above sea level, in Russia. The nearest listed city is Zheleznogorsk-Ilimskiy, 104 km away.
Topography around Ust’-Kut
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ust’-Kut.
Within 3 km, the terrain around Ust’-Kut has significant variations in elevation — a maximum elevation change of 406 m around an average of 412 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 492 m; within 80 km, large variations in elevation — a maximum elevation change of 729 m.
The land around Ust’-Kut is covered by trees (72%) and artificial surfaces (21%) within 3 km, trees (93%) within 16 km, and trees (99%) within 80 km.
Russia travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 32% of US
- price level, 2025
- GDP per capita
- $17,547
- 2025
- Happiness
- 5.8 / 10
- World Happiness, 2025
- Safe drinking water
- 76%
- of population, 2024
- Homicide rate
- 6.8
- per 100k, 2021
- Road deaths
- 12
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 521
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Ust’-Kut (56.7979°, 105.7866°, elevation 285 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.