January in Nantes: expect compromises
Hardest · 4.5/10January averages 5°C (41°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 66 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 8.7 hours of daylight.
It scores 4.5/10 here, 12th of 12 months, against 9.9/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Flexible dates? July scores 5.4 points higher here — enough to change the trip.
February in Nantes — workable with trade-offs
Trade-offs · 5.6/10February averages 7°C (45°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 48 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 10 hours of daylight.
It scores 5.6/10 here, 9th of 12 months, against 9.9/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Flexible dates? July scores 4.3 points higher here — enough to change the trip.
March in Nantes: mixed conditions, plan around the weather
Trade-offs · 6.2/10Expect 9°C (49°F) in March. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 69 mm of rain this month — a flexible day or two helps — with about 7 days with 6+ hours of sunshine and 11.6 hours of daylight to work around it.
That is 6.2/10 on the same scale — 7th of 12 months, versus 9.9/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
If your dates are flexible, July is materially better in Nantes — 3.7 points higher on the same scale.
April holds up well in Nantes — 5th best month
Good · 8.1/10April averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 50 mm, so plan one flexible day in three; you still get about 17 days with 6+ hours of sunshine and 13.4 hours of daylight.
It scores 8.1/10 here, 5th of 12 months, against 9.9/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Flexible dates? July scores 1.8 points higher here — enough to change the trip.
May is one of the strongest months in Nantes (3rd)
Best window · 9.2/10Temperatures hover around 15°C (60°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 51 mm of rain this month — a flexible day or two helps — with about 25 days with 6+ hours of sunshine and 14.9 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Nantes at 9.2/10 (3rd of 12), just behind July at 9.9/10.
Budget for mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
June ranks 4th of 12 for Nantes — one of the best windows
Best window · 9/10June averages 19°C (67°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 61 mm, so plan one flexible day in three; you still get about 28 days with 6+ hours of sunshine and 15.7 hours of daylight.
A 9/10 puts this among the year's best months in Nantes (4th of 12); only July scores higher, at 9.9/10.
Plan for mid-season pricing, with crowds are moderate.
Pack light clothing, a hat and real sun protection, a packable rain layer.
July in Nantes tops the year's climate scores
Best window · 9.9/10July averages 21°C (69°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Expect 31 mm of rain — occasional showers rather than washed-out days — alongside about 28 days with 6+ hours of sunshine and 15.4 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Nantes at 9.9/10 — the reference point every other month on this page is measured against.
Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, a hat and real sun protection.
August ranks 2nd of 12 for Nantes — one of the best windows
Best window · 9.5/10At 21°C (70°F) this is comfortable city weather in August, with sightseeing easiest before lunch and after the afternoon peak.
With around 43 mm of rain, any showers tend to pass through rather than settle in; about 21 days with 6+ hours of sunshine and 14 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for Nantes at 9.5/10 (2nd of 12), just behind July at 9.9/10.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, a hat and real sun protection.
September in Nantes — reliably good (6th best month)
Good · 7.9/10Temperatures hover around 18°C (64°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 68 mm of rain this month — a flexible day or two helps — with about 11 days with 6+ hours of sunshine and 12.3 hours of daylight to work around it.
That is 7.9/10 on the same scale — 6th of 12 months, versus 9.9/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
If your dates are flexible, July is materially better in Nantes — 2 points higher on the same scale.
October in Nantes — middling scores, decent value
Trade-offs · 6.2/10October averages 16°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 99 mm, so plan one flexible day in three; you still get about 1 days with 6+ hours of sunshine and 10.6 hours of daylight.
It scores 6.2/10 here, 8th of 12 months, against 9.9/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Flexible dates? July scores 3.7 points higher here — enough to change the trip.
November in Nantes: expect compromises
Hardest · 4.9/10November averages 10°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 98 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 9.1 hours of daylight.
It scores 4.9/10 here, 10th of 12 months, against 9.9/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Flexible dates? July scores 5 points higher here — enough to change the trip.
December in Nantes — the hardest end of the year
Hardest · 4.6/10Expect 7°C (44°F) in December. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 71 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 8.3 hours of daylight to work around it.
That is 4.6/10 on the same scale — 11th of 12 months, versus 9.9/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
If your dates are flexible, July is materially better in Nantes — 5.3 points higher on the same scale.
