Jonava weather in August

In August, Jonava sees average daytime highs of 22°C and overnight lows near 13°C, with 76 mm of rain across 11.8 wet days and about 14.7 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 20°C by the end. The sky is clear or mostly clear about 22% of the time in August, and the air most often feels dry.

Daylight stretches from about 15 h 48 min at the start of August to 13 h 42 min by month's end. Set against the rest of the year, August is Jonava's 1st-clearest and 12th-windiest month. For the whole year in context, see Jonava's year-round climate.

Daytime high
22°
2nd warmest
Overnight low
13°
11th coldest
Rainfall
76 mm
11.8 wet days
Daylight
14 h 48 min
5:04 AM – 7:50 PM
Cloud cover
62%
1st clearest
Wind
11 km/h
12th windiest
Solar energy
4.24 kWh/m²
Travel score
6.4
out of 10

Jonava is city in Kaunas County, Lithuania.

Air quality
Excellent
PM10 14.5 µg/m³ · 2019
Density
1,933/km²
people per km²
Founded
1740

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 20°C by the end.

A typical August day in Jonava reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 28°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12414
22414
32414
42414
52414
62414
72414
82414
92314
102314
112314
122314
132313
142313
152313
162313
172313
182213
192213
202213
212213
222212
232212
242112
252112
262112
272112
282112
292112
302011
312011

How August really feels in Jonava

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Jonava weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -5°4410.86.97.50.0
Feb / -5°381079.30.0
Mar / -2°4010.14.511.40.3
Apr12° / 439.81.213.83.2
May18° / 5711.30.115.85.6
Jun21° / 11°7212.50176.0
Jul23° / 14°8512.1016.56.5
Aug22° / 13°7611.8014.76.4
Sep17° / 509.8012.55.3
Oct11° / 5610.80.510.22.4
Nov / 4510.52.98.10.2
Dec / -3°4610.96.670.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34852
44654
54654
64654
74654
84555
94555
104555
114555
124555
134456
144555
154555
164456
174456
184456
194456
204357
214357
224258
234159
244060
253961
263961
273862
283862
293763
303763
313664

Chance of precipitation in August

Any precipitation

Jonava gets around 76 mm of rain over 11.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
335
435
536
636
736
837
937
1037
1137
1238
1338
1438
1539
1639
1740
1840
1940
2040
2140
2240
2340
2439
2539
2639
2739
2839
2939
3038
3138

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13836234
23836234
33936223
43936223
54035213
64135213
74235203
84335193
94435183
104534183
114634173
124834163
134933153
145033153
155033143
165133133
175233123
185233123
195333113
205533102
21563392
22573382
23573382
24593272
25613261
26623161
27643051
28643051
29662941
30692830
31702730

Wind in August

Winds average 11 km/h in August, the calmest month.

Across August, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 15 h 48 min at the start of August to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 126 minutes over August. Sunrise moves from 4:36 AM to 5:33 AM, and sunset from 8:22 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.84:368:22
215.74:388:20
315.64:408:18
415.64:428:16
515.54:448:14
615.44:458:12
715.44:478:10
815.34:498:08
915.24:518:05
1015.24:538:03
1115.14:558:01
1215.04:577:59
1315.04:597:57
1414.95:007:54
1514.85:027:52
1614.85:047:50
1714.75:067:47
1814.65:087:45
1914.55:107:43
2014.55:127:40
2114.45:147:38
2214.35:167:35
2314.35:187:33
2414.25:207:31
2514.15:217:28
2614.05:237:26
2714.05:257:23
2813.95:277:20
2913.85:297:18
3013.75:317:15
3113.75:337:13

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.24 kWh/m².

For context, solar energy here swings from a low near 0.35 kWh/m² to a high of 5.44 kWh/m² in June across the year — August's 4.24 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.2Bright
174.2Bright
184.1Bright
194.1Bright
204.0Bright
214.0Moderate
223.9Moderate
233.9Moderate
243.8Moderate
253.8Moderate
263.7Moderate
273.7Moderate
283.6Moderate
293.6Moderate
303.5Moderate
313.5Moderate
Planning a trip in August

Is August a good time to visit Jonava?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.4
Sightseeing
2nd-best month of the year
4.7
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Jonava for sightseeing.

What to pack for Jonava in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Jonava sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

UV index in Jonava in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Jonava peaks around June 20 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 6Dec 19UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr3Moderate
May5Moderate
Jun6High
Jul6High
Aug5High
Sep3Moderate
Oct2Low
Nov1Low
Dec0Low

Air quality in Jonava in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Jonava is worst in June — around 15 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2215 µg/m³Dec 178 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar14Moderate
Apr15Moderate
May14Moderate
Jun15Moderate
Jul15Moderate
Aug15Moderate
Sep13Moderate
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Jonava?

Jonava sits at 55.1°N, 24.3°E, 67 m above sea level, in Lithuania. The nearest listed city is Dainava (Kaunas), 27 km away.

Dainava (Kaunas)EiguliaiŠilainiaiKėdainiaiKaunasAleksotasUkmergeTrakai

Topography around Jonava

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

Within 3 km, the terrain around Jonava has only modest variations in elevation — a maximum elevation change of 77 m around an average of 69 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 103 m; within 80 km, significant variations in elevation — a maximum elevation change of 261 m.

The land around Jonava is covered by trees (34%) and grassland (30%) within 3 km, trees (52%) and cropland (32%) within 16 km, and trees (41%) and cropland (40%) within 80 km.

3 km
77 m
16 km
103 m
80 km
261 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Dainava (Kaunas) 27 km · Eiguliai 27 km · Šilainiai 30 km · Kėdainiai 30 km · Kaunas 31 km · Aleksotas 32 km · Ukmerge 36 km · Trakai 65 km

Lithuania travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 58% of US
price level, 2025
GDP per capita
$32,959
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2.6
per 100k, 2023
Road deaths
8.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 543
Religion
Roman Catholic 74%none 6%Russian Orthodox 4%other 1%

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 Jonava (55.0801°, 24.2754°, elevation 67 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).