Ruhnu weather in July

In July, Ruhnu sees average daytime highs of 19°C and overnight lows near 17°C, with 60 mm of rain across 9.2 wet days and about 17.1 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 20°C by the end. The sky is clear or mostly clear about 41% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 17 h 42 min at the start of July to 16 h 18 min by month's end. Set against the rest of the year, July is Ruhnu's 2nd-clearest and 11th-windiest month. For the whole year in context, see Ruhnu's year-round climate.

Daytime high
19°
2nd warmest
Overnight low
17°
11th coldest
Rainfall
60 mm
9.2 wet days
Daylight
17 h 12 min
3:57 AM – 9:08 PM
Cloud cover
50%
2nd clearest
Wind
21 km/h
11th windiest
Solar energy
5.94 kWh/m²
Travel score
6.4
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 20°C by the end.

A typical July day in Ruhnu reaches about 19°C in the afternoon and slips back to 17°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 22°C. Set against its neighbours, July runs about 4°C warmer than June and on par with August.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11715
21715
31816
41816
51816
61816
71816
81816
91816
101917
111917
121917
131917
141917
151917
161917
171917
181917
191917
201917
212018
222018
232018
242018
252018
262018
272018
282018
292018
302018
312018

How July really feels in Ruhnu

Once humidity and wind are folded in, July 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

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

Ruhnu weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°4511.98.470.0
Feb-0° / -3°379.778.90.0
Mar / -1°338.34.511.40.0
Apr / 337.41.3140.2
May10° / 347.1016.32.4
Jun15° / 13°579.6017.74.8
Jul19° / 17°609.2017.16.4
Aug19° / 17°7912015.16.0
Sep15° / 14°6611.7012.54.5
Oct10° / 8414.90.2102.1
Nov / 6914.12.37.60.5
Dec / 5613.56.76.30.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 20% of July, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35842
45842
55842
65941
75941
86040
96040
106139
116139
126238
136238
146337
156238
166238
176238
186238
196238
206238
216139
226139
236238
246238
256139
266139
276139
286238
296238
306238
316337

Chance of precipitation in July

Any precipitation

Ruhnu gets around 60 mm of rain over 9.2 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
133
232
332
431
530
630
730
829
929
1029
1129
1229
1329
1429
1529
1629
1729
1828
1928
2028
2129
2229
2329
2429
2530
2630
2730
2831
2931
3031
3132

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
149371320
246381420
344391520
442401530
540401630
639411730
737411840
836411940
935411950
1034412050
1133412150
1232402160
1332402260
1431402270
1530402370
1629392480
1728392580
1827392690
1926392690
20243827100
21233828100
22223828110
23213829121
24203829121
25203830121
26193830131
27183830131
28173831131
29173831131
30173830141
31173930131

Wind in July

Winds average 21 km/h in July.

Across July, daily wind ranges from about 20 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2320breezy
2420breezy
2520breezy
2620breezy
2720breezy
2820breezy
2920breezy
3020breezy
3120breezy

Sunrise & sunset in July

DaylightNight

Daylight runs from about 17 h 42 min at the start of July to 16 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over July. Sunrise moves from 3:39 AM to 4:25 AM, and sunset from 9:22 PM to 8:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
117.73:399:22
217.73:409:21
317.73:419:21
417.63:429:20
517.63:439:20
617.63:449:19
717.63:459:18
817.53:469:17
917.53:479:16
1017.43:489:15
1117.43:509:14
1217.43:519:13
1317.33:539:12
1417.33:549:11
1517.23:569:09
1617.23:579:08
1717.13:599:07
1817.14:019:05
1917.04:029:04
2017.04:049:02
2116.94:069:00
2216.94:088:59
2316.84:098:57
2416.74:118:55
2516.74:138:53
2616.64:158:51
2716.54:178:49
2816.54:198:47
2916.44:218:45
3016.34:238:43
3116.34:258:41

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.94 kWh/m².

For context, solar energy here swings from a low near 0.26 kWh/m² to a high of 6.22 kWh/m² in June across the year — July's 5.94 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.0Intense
166.0Intense
176.0Bright
186.0Bright
195.9Bright
205.9Bright
215.8Bright
225.8Bright
235.8Bright
245.7Bright
255.7Bright
265.7Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in July

Is July a good time to visit Ruhnu?

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

6.4
Sightseeing
1st-best month of the year
2.7
Beach & pool
1st-best month of the year

July is a reasonable time to visit Ruhnu for sightseeing.

What to pack for Ruhnu in July

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

In July, Ruhnu sees daytime highs around 19°C and nights near 17°C. Worth packing: rain gear, sun protection and a windbreaker. About 9 days see rain.

rain gearsun protectiona windbreaker

Sea temperature near Ruhnu in July

The nearest coast averages about 17°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 18°C and coldest in February near 1°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan2Bracing
Feb1Bracing
Mar1Bracing
Apr3Bracing
May7Bracing
Jun13Bracing
Jul17Cool
Aug18Cool
Sep15Cool
Oct11Bracing
Nov8Bracing
Dec5Bracing

UV index in Ruhnu in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Ruhnu peaks around June 19 at about 6 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 5 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 19UV 6Dec 20UV 0
UV index (midday)Level
Jan0Low
Feb1Low
Mar2Low
Apr3Moderate
May4Moderate
Jun6High
Jul5Moderate
Aug5Moderate
Sep3Moderate
Oct1Low
Nov1Low
Dec0Low
Location & terrain

Where is Ruhnu?

Ruhnu sits at 57.8°N, 23.2°E, 0 m above sea level, in Estonia. The nearest listed city is Kuressaare, 67 km away.

KuressaareMuhuPärnuVentspils

Topography around Ruhnu

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

Within 3 km, the terrain around Ruhnu has only modest variations in elevation — a maximum elevation change of 38 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 38 m; within 80 km, only modest variations in elevation — a maximum elevation change of 184 m.

The land around Ruhnu is covered by water (63%) and trees (23%) within 3 km, water (99%) within 16 km, and water (70%) and trees (21%) within 80 km.

3 km
38 m
16 km
38 m
80 km
184 m
treesgrasslandcroplandwaterwetland
July weather nearby: Kuressaare 67 km · Muhu 89 km · Tukums 93 km · Jūrmala 98 km · Pärnu 98 km · Riga 108 km · Dārzciems 110 km · Ventspils 110 km

Estonia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 66% of US
price level, 2025
GDP per capita
$34,418
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
1.5
per 100k, 2023
Road deaths
4.5
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 561
Religion
none 58%Orthodox 17%Protestant 9%other 3%

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 Ruhnu (57.8003°, 23.2483°, elevation 0 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).