Climate and average weather in Sarny

In Sarny, the summers are warm, showery, and partly cloudy and the winters are very cold, snowy, and mostly cloudy.

Best: early May to late September

Over the course of the year, the temperature in Sarny typically varies from -5°C to 25°C, and is rarely below -16°C or above 31°C. July is the hottest month of the year, while January is the coldest.

Based on the travel score, the best time of year to visit Sarny for warm-weather activities is from early May to late September.

Hottest
Jul
25°
Coldest
Jan
-5°
Wettest
Jul
101 mm
Driest
Feb
34 mm
Rain / yr
662 mm
126 wet days
Daylight
7.6–16.4 h
shortest–longest
Elevation
149 m
51.3°N
Clearest
Aug
55% cloud

Sarny is town in Rivne Oblast, Ukraine.

Density
1,365/km²
people per km²
Founded
1648

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Sarny weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around early May to late September.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in Sarny, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

The hot season lasts 4.2 months, from May 10 to September 14, with daily high temperatures above 19°C. The hottest month of the year in Sarny is July, with an average high of 25°C and low of 14°C.

The cool season lasts 3.5 months, from November 20 to March 6, with daily high temperatures below 4°C. The coldest month of the year in Sarny is January, with an average low of -5°C and high of -1°C.

Days typically run about 8°C warmer than nights, with the widest day–night swing (around 11°C) in August.

-20°-10°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan-1-5
Feb1-5
Mar6-1
Apr144
May209
Jun2313
Jul2514
Aug2413
Sep199
Oct125
Nov51
Dec1-3

How hot and cold Sarny really feels

Feels-like highFeels-like lowactual air temp

The felt-temperature range through the year — heat index on the day's high (summer humidity), wind chill on the night's low (winter wind). The dashed lines are the plain thermometer; the gap is how much hotter or colder it really feels.

On the coldest nights, wind chill pulls the feels-like down to about -12°C (around January 30), with roughly 170 freezing days a year (feels-like at or below 0°C) 33 of them bitterly cold — worst in January.

-10°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Feels-like high (°C)Air high (°C)Feels-like low (°C)Air low (°C)
Jan-1-1-11-5
Feb11-10-5
Mar66-6-1
Apr141414
May202089
Jun23231313
Jul25251414
Aug24241313
Sep191989
Oct121215
Nov55-41
Dec11-9-3

Average hourly temperature in Sarny

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on July afternoons, near 25°C, and coldest before dawn in January, near -5°C.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

Sarny weather by month

Every month at a glance. Click a month for its detailed page.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -5°359.16.78.20.0
Feb / -5°349.97.59.60.0
Mar / -1°4210.44.411.50.6
Apr14° / 4610.2113.53.9
May20° / 6912.5015.35.9
Jun23° / 13°8013016.36.2
Jul25° / 14°10114.1015.96.3
Aug24° / 13°659.7014.47.0
Sep19° / 598.9012.46.0
Oct12° / 479.40.310.43.2
Nov / 428.93.48.60.5
Dec / -3°41106.37.70.0

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

Sarny gets about 662 mm of precipitation a year. On a typical day the chance of rain is often wet, but that rises and falls sharply with the seasons.

The wetter season lasts 3.2 months, from around May 5 to Aug 8, peaking in July at about 47% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Jan 14.

July is the wettest month by volume, with 101 mm over about 14 wet days; February is the driest, with 34 mm. Some of the cold-season precipitation falls as snow.

0%10%20%30%40%50%60%JanFebMarAprMayJunJulAugSepOctNovDecdrierwetterdriermostly drysome rainoften wetvery wetJul 14 · 47%Jan 14 · 28%
Rain on a day (%)Rain days
Jan309
Feb3510
Mar3410
Apr3410
May4013
Jun4413
Jul4514
Aug3210
Sep299
Oct309
Nov309
Dec3210

Monthly rainfall

Over a full year, Sarny collects about 662 mm of rain across 126 wet days — roughly 55 mm in an average month.

It doesn’t fall evenly. July is the wettest month with 101 mm, while February is the driest at just 34 mm. The three wettest months alone bring about 38% of the year’s total, and some of the cold-season precipitation falls as snow.

0255075100125JanFebMarAprMayJunJulAugSepOctNovDec3534424669801016559474241
Rainfall (mm)Rain daysSnow days
Jan3597
Feb34108
Mar42104
Apr46101
May69130
Jun80130
Jul101140
Aug65100
Sep5990
Oct4790
Nov4293
Dec41106

Snow in Sarny

Average snowy days through the year, the snow-season span, and estimated snowfall — for ski trips and the perennial 'will there be snow at Christmas?' question.

Sarny averages about 30 snowy days a year. Snow season runs roughly Oct 23 to Apr 22 — about 6 months.

February is snowiest, with roughly 8 days of snow and an estimated 25 cm of snowfall. Over the year that adds up to an estimated 107 cm of snow.

0246810JanFebMarAprMayJunJulAugSepOctNovDecsnow seasonsnow seasonFeb 15
Snow daysSnowfall (cm)
Jan722
Feb825
Mar419
Apr15
May00
Jun00
Jul00
Aug00
Sep00
Oct01
Nov313
Dec623

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In Sarny, the average share of the sky covered by clouds shows significant seasonal variation over the course of the year.

The clearer part of the year begins around March 31 and lasts for 6.2 months, ending around October 6. The clearest month is August, when the sky is clear, mostly clear, or partly cloudy 54% of the time on average.

The cloudier part of the year begins around October 7 and lasts for 5.7 months, ending around March 30. The cloudiest month is December, when it is overcast or mostly cloudy 86% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecAug 11 · 57%Dec 12 · 13%clearmostly clearpartly cloudymostly cloudyovercastcloudierclearercloudier
Clearer (%)Cloudier (%)
Jan1486
Feb1882
Mar2575
Apr3862
May4357
Jun4654
Jul4951
Aug5446
Sep4060
Oct3070
Nov1882
Dec1486

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around June 17, brings about 16 h 24 min of light; the shortest, around December 17, only 7 h 36 min — a swing of roughly 8 h 48 min.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan8.28:204:26
Feb9.67:395:17
Mar11.56:386:09
Apr13.55:267:01
May15.34:307:50
Jun16.34:048:24
Jul15.94:218:17
Aug14.45:067:30
Sep12.45:566:19
Oct10.46:475:10
Nov8.67:414:16
Dec7.78:203:59

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

Sarny averages about 6 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 2 and 10 days.

The sunnier stretch runs 7.2 months, from around Mar 22 to Oct 27. The sunniest month is August, with roughly 10 sunny days (mixed).

The greyest month is November, down near 3 sunny days — about 70% fewer than the August peak.

051015JanFebMarAprMayJunJulAugSepOctNovDecgreyersunniergreyergloomymixedAug 1310 daysNov 242 days
Sunny daysSky
Jan2Gloomy
Feb3Gloomy
Mar5Gloomy
Apr7Gloomy
May7Gloomy
Jun7Gloomy
Jul8Gloomy
Aug10Mixed
Sep7Gloomy
Oct6Gloomy
Nov3Gloomy
Dec2Gloomy

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

In Sarny, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 3.1 months, from around May 31 to September 1. The muggiest month is July, when the air feels humid, muggy or worse about 30% of the time.

The most comfortable stretch runs from around September 2 to May 30, and April is the most comfortable month — the air is dry or comfortable 100% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecApr 22 · 100%Jul 27 · 63%muggyhumiddrycomfortablecomfortablehumidcomfortable
Dry (%)Comfortable (%)Humid (%)Muggy (%)
Jan100000
Feb100000
Mar100000
Apr100000
May861120
Jun5825152
Jul3733247
Aug4931173
Sep841420
Oct98200
Nov100000
Dec100000

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Across the year, average wind speed in Sarny is typically light breeze, near 13 km/h, and varies little with the seasons.

The windier part of the year lasts 6.3 months, from around Oct 3 to Apr 11. The windiest month is January, averaging about 15 km/h (light breeze).

The calmer part of the year runs from around Apr 12 to Oct 2, with August the calmest month at about 11 km/h.

05101520JanFebMarAprMayJunJulAugSepOctNovDecwindiercalmerwindiercalmlight breezeJan 31 · 15 km/hAug 2 · 11 km/h
Wind speed (km/h)Feels
Jan15light breeze
Feb15light breeze
Mar14light breeze
Apr13light breeze
May12light breeze
Jun12calm
Jul11calm
Aug11calm
Sep13light breeze
Oct14light breeze
Nov14light breeze
Dec15light breeze

Best time to visit Sarny

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in Sarny throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around mid May, Sarny is still near the start of its best-weather window — great conditions with the peak-season crowds not yet at full swing.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit Sarny for general outdoor tourist activities is from early May to late September, with a peak score in the third week of August.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timetravel scoretemperaturecloudsprecipitationAug 19 · 7.2

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan0.0poor
Feb0.0poor
Mar0.7poor
Apr3.9fair
May5.8good
Jun6.2good
Jul6.3good
Aug6.9good
Sep6.0good
Oct3.2poor
Nov0.5poor
Dec0.0poor

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit Sarny for hot-weather activities is from late June to late August, with a peak score in the second week of August.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebeach/pool scoretemperaturecloudsprecipitationAug 12 · 6.2

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for Sarny, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

For a warm-season trip around July (highs near 25°C), the essentials are light clothes, rain gear and sun protection. In the cold season around January (highs near -1°C), pack a warm layer, a heavy coat and rain gear.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In July, Sarny sees daytime highs around 25°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 14 days see rain.

UV index (midday) in Sarny by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

Under clear skies, the midday UV index in Sarny peaks around July 19 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 19UV 7Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun7High
Jul7High
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Average hourly UV index in Sarny

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in July the burn window is concentrated in the middle of the day: about 7.5 hours a day reach index 3 (protection recommended), and 3 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan00
Feb00
Mar00
Apr4.50
May60
Jun82.5
Jul7.53
Aug72.5
Sep40
Oct00
Nov00
Dec00
Almanac & agriculture

Growing season

Chance of a frost-free dayTypical season (≥50%)

The growing season in Sarny typically lasts about 239 days, from around March 26 to November 19 — the span where a frost-free day is more likely than not. It is reliably frost-free from April 21 to October 11.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecgrowing seasonMar 2650%Apr 2190%Oct 1190%Nov 1950%
Frost-free chance (%)Frost nights
Jan2031
Feb2228
Mar4131
Apr8422
May990
Jun1000
Jul1000
Aug1000
Sep990
Oct8521
Nov5530
Dec2631

Growing degree days

Degree days (base 10°C)Frost-free shaded

Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. Sarny banks about 1,066 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around July.

02505007501,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan0
Feb0
Mar0
Apr11
May135
Jun231
Jul294
Aug272
Sep117
Oct5
Nov0
Dec0

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

Sarny receives about 3.0 kWh/m² a day of solar energy on average — moderate — with a clear seasonal swing between 0.6 and 5.6 kWh/m².

The brighter stretch of the year lasts 5.9 months, from around Mar 21 to Sep 16. The brightest month is June, averaging about 5.5 kWh/m² (bright).

The dimmest month is December, down near 0.6 kWh/m² — roughly 89% less than the June peak.

01234567JanFebMarAprMayJunJulAugSepOctNovDecdimmerbrighterdimmerdimmoderatebrightintenseJun 105.6 kWhDec 150.6 kWh
Solar energy (kWh/m²)Level
Jan0.8Dim
Feb1.5Dim
Mar2.8Moderate
Apr4.3Bright
May5.2Bright
Jun5.6Bright
Jul5.3Bright
Aug4.7Bright
Sep3.1Moderate
Oct1.8Dim
Nov0.9Dim
Dec0.6Dim

Where is Sarny?

Sarny sits at 51.3°N, 26.6°E, 149 m above sea level, in Ukraine. The nearest listed city is Varash, 52 km away.

RivneZdolbunivPinskLuninyetsZvyahelLutsk

Topography around Sarny

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sarny.

Within 3 km, the terrain around Sarny has only modest variations in elevation — a maximum elevation change of 29 m around an average of 155 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 61 m; within 80 km, only modest variations in elevation — a maximum elevation change of 187 m.

The land around Sarny is covered by grassland (32%), trees (30%) and artificial surfaces (26%) within 3 km, trees (46%), grassland (28%) and cropland (22%) within 16 km, and trees (57%) and grassland (21%) within 80 km.

3 km
29 m
16 km
61 m
80 km
187 m
treesgrasslandcroplandartificial surfaceswaterwetland
Nearby: Varash 52 km · Kostopil 53 km · Rivne 84 km · Zdolbuniv 94 km · Pinsk 95 km · Luninyets 102 km · Zvyahel 109 km · Lutsk 109 km

Ukraine travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$5,866
2025
Happiness
4.7 / 10
World Happiness, 2025
Safe drinking water
88%
of population, 2024
Homicide rate
3.8
per 100k, 2021
Road deaths
10.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 526

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 Sarny (51.339°, 26.6069°, elevation 149 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).