Moscow weather in May

May in Moscow: nice, a little rain — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Moscow🇷🇺 Russia · Eastern Europe · City81
  1. 28Jan
  2. 37Feb
  3. 50Mar
  4. 70Apr
  5. 81May
  6. 90Jun
  7. 88Jul
  8. 94Aug
  9. 78Sep
  10. 60Oct
  11. 41Nov
  12. 31Dec

#4 of 12 months in Moscow · #702 of 1413 destinations to visit in May · comfort 81/100 (tier A)

Days
18°C
Nights
7°C
Wet days
11
Sun
11.3 h
Humidity
65%
Daylight
16 h
Moscow, Russia
Photo: Max Avans · Pexels

Traveller notes on Moscow in May

May here splits on a date. The 1st to the 9th is a holiday stretch ending in Victory Day: traffic and business go quiet and rooms can be cheaper, while parades fill the centre and restaurants and hotels are packed. The second half is the quieter half, with the trees out and the visitor numbers still low. Our row gives 17.7C by day reading as 16C, 7.2C nights that feel like 4C, and 0.8cm still sitting in the snow column as the tail of winter. Rain is 61.2mm across 11.3 days. The compensation is light, 16.3 hours of it. The lilacs come at the very end of the month and into June. The record: humidity 65 percent, 11.3 hours of sun and AQI 58.
TheFirstNineDays · May · 1 month ago · Read more on Tripadvisor ↗

Other months in Moscow

Regulars are direct that nothing is certain this month - one traveller's own account describes a pleasant, t-shirt-worthy 24C one day followed immediately by an icy 8C with wind and rain the next. Our row backs the average sitting between those extremes, 17.3C over 8.8C nights, with 43.2mm of rain across 8.2 days. Regulars are split on recent trends, some calling it warm and largely rain-free lately, others still expecting real rain as a baseline assumption - the honest advice from most is to plan for anything and dress in real layers rather than trust either extreme. Late August into early September is specifically recommended as schools return and the heaviest tourist crowds thin out. The record: humidity 73 percent, 7.5 hours of sun, a 17.6 kph wind and AQI 59.
TwentyFourOneDayEightTheNext · September · 1 month ago · Read more on Tripadvisor ↗
Asked whether this city has white nights, regulars give the careful answer: not the real thing, which belongs to St Petersburg three hundred miles north, but nautical twilight all night - the horizon stays visible and it never goes properly dark. Their figures for the longest day are sunrise at 04:45 and sunset at 22:18, and our daylight column agrees at 17.5 hours. The weather underneath it is mild rather than warm, 22.6C by day and 12.4C at night, with 72mm of rain across 11.5 days, so showers on a third of them. Evenings have become warm by June in a way May's are not. The record: humidity 67 percent, 12.2 hours of sun and AQI 59.
NauticalTwilightNotWhiteNights · June · 1 month ago · Read more on Tripadvisor ↗
August in Moscow is the part of the year that feels warmest, because the humidity is higher than in July and there are few days when you want an added layer. The forum attaches two qualifications. Rain is a very good chance rather than a possibility - our row carries 10.3 precipitation days - and there is the turn: in the second half of the month you can feel autumn arriving, a little colder each day, with early mornings, late evenings and the hour after a shower the parts that bite. A windbreaker rather than a winter jacket is the standing answer. On crowds, regulars give 15 July to 20 August as the quiet window, after which the city comes back and the last week is heaving. The record: 23.5C days, 13.6C nights, 60.2mm of rain and 10.9 hours of sun.
AutumnArrivesMidMonth · August · 1 month ago · Read more on Tripadvisor ↗
Moscow forum threads describe February as genuinely cold and unpredictable, with days swinging anywhere from around +4C down to -25C depending on the specific week, though a more typical run was described as hovering in the -2 to -5C range with periods of slush and melt in the city center rather than deep snow cover. Posters were consistent that a proper warm coat, waterproof boots, gloves, hat and scarf are non-negotiable for walking around. The more surprising theme across threads: the real discomfort often comes from overheating indoors, since buildings, metro cars and buses run heated, so visitors constantly unbutton or shed coats indoors and bundle back up stepping outside.
ArbatRegular · February · 1 month ago · Read more on Tripadvisor ↗

Year-round notes are on Moscow's overview. Add your own note from Moscow's card on the map.

Moscow climate normals — May

Daytime high18°C / 64°F😎 nice
Nighttime low7°C / 45°F
Feels like (high)16°C / 61°F
Rainfall61 mm / 2.4 in🌦 some rain
Rainy days11 days
Humidity65%💧 humid
Dew point5°C / 42°F
Sunshine11.3 h/day
Daylight16.3 h
Wind18 km/h / 11 mph
Snowfall0.8 cm / 0.3 in
Air quality (US AQI)58🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Moscow in May

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusyVictory Day, school holidays in 4 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Moscow's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherMoscow's weather peaks June–August.

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Best weatherFair weatherToughest weather

What's on in Moscow in May

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Dacha season

    1 May – 31 AugSchool holidays

    From May anyone with a plot outside town is on it at weekends. The Friday traffic out of the city is the worst of the week and the centre is unusually calm until Sunday night. Source ↗

  • Holiday

    Victory Day

    4–9 MayMajor festivalClosuresCrowded

    The parade on 9 May shuts the centre, and the night rehearsals in the week before it close Tverskaya and the inner ring. Central metro stations are closed on the day at short notice. Source ↗

  • Hazard

    Poplar fluff

    25 May – 25 Jun · usuallyPollen season

    For two or three weeks the city fills with white seed fluff off the poplars planted after the war: drifts of it in the gutters, in your eyes, and a fortnight of misery for anyone with hay fever. Source ↗

What's on around the world in May →

Where is Moscow?

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Moscow in May — FAQ

Is May a good time to visit Moscow?
May in Moscow: nice, a little rain — an excellent time to visit. It ranks #4 of 12 months for Moscow on SeasonMap's comfort score (81/100).
What is the weather like in Moscow in May?
In May, Moscow averages a daily high of 17.7°C and a low of 7.2°C, with about 61.2 mm of rain over roughly 11.3 rainy days.
What is the air quality in Moscow in May?
Moscow has a mean US Air Quality Index of about 58 in May.