January in Saint-Malo — the hardest end of the year
Hardest · 2.1/10January averages 6°C (43°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 65 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 8.5 hours of daylight.
It scores 2.1/10 here, 11th of 12 months, against 8/10 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 5.9 points higher here — enough to change the trip.
February in Saint-Malo — off-season conditions
Hardest · 2.7/10February averages 8°C (46°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 41 mm of rain — occasional showers rather than washed-out days — alongside almost no days with 6+ hours of sunshine and 9.9 daylight hours.
It scores 2.7/10 here, 8th of 12 months, against 8/10 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.
Flexible dates? July scores 5.3 points higher here — enough to change the trip.
March in Saint-Malo — off-season conditions
Hardest · 3.3/10Expect 9°C (48°F) in March. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 52 mm of rain this month — a flexible day or two helps — with about 5 days with 6+ hours of sunshine and 11.6 hours of daylight to work around it.
That is 3.3/10 on the same scale — 7th of 12 months, versus 8/10 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 Saint-Malo — 4.7 points higher on the same scale.
April in Saint-Malo — middling scores, decent value
Trade-offs · 5.2/10April averages 11°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 45 mm of rain — occasional showers rather than washed-out days — alongside about 16 days with 6+ hours of sunshine and 13.4 daylight hours.
It scores 5.2/10 here, 5th of 12 months, against 8/10 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.
Flexible dates? July scores 2.8 points higher here — enough to change the trip.
May in Saint-Malo — workable with trade-offs
Trade-offs · 6/10Temperatures hover around 15°C (58°F) — the kind of month where neither heat nor cold forces the schedule.
With around 42 mm of rain, any showers tend to pass through rather than settle in; about 25 days with 6+ hours of sunshine and 15 hours of daylight fill the rest.
That is 6/10 on the same scale — 4th of 12 months, versus 8/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening.
If your dates are flexible, July is materially better in Saint-Malo — 2 points higher on the same scale.
June in Saint-Malo: strong conditions, 3rd of 12
Good · 7.2/10June averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 49 mm, so plan one flexible day in three; you still get about 27 days with 6+ hours of sunshine and 15.9 hours of daylight.
It scores 7.2/10 here, 3rd of 12 months, against 8/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
July in Saint-Malo — the year's strongest window
Best window · 8/10July averages 19°C (67°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Expect 38 mm of rain — occasional showers rather than washed-out days — alongside about 24 days with 6+ hours of sunshine and 15.5 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Saint-Malo at 8/10 — 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, swimwear and real sun protection.
August holds up well in Saint-Malo — 2nd best month
Good · 8/10With 20°C (68°F) on average, August delivers classic beach weather: plenty of time in the water, with beach and boat plans rarely disrupted by cold.
With around 41 mm of rain, any showers tend to pass through rather than settle in; about 20 days with 6+ hours of sunshine and 14.2 hours of daylight fill the rest.
That is 8/10 on the same scale — 2nd of 12 months, versus 8/10 for the best month here.
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, swimwear and real sun protection.
September in Saint-Malo: expect compromises
Hardest · 4.8/10Temperatures hover around 18°C (64°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 64 mm of rain this month — a flexible day or two helps — with about 8 days with 6+ hours of sunshine and 12.3 hours of daylight to work around it.
That is 4.8/10 on the same scale — 6th of 12 months, versus 8/10 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 Saint-Malo — 3.2 points higher on the same scale.
October in Saint-Malo — the hardest end of the year
Hardest · 2.4/10October averages 15°C (59°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 69 mm, so plan one flexible day in three; you still get about 1 days with 6+ hours of sunshine and 10.5 hours of daylight.
It scores 2.4/10 here, 9th of 12 months, against 8/10 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 5.6 points higher here — enough to change the trip.
November in Saint-Malo: expect compromises
Hardest · 1.7/10November averages 10°C (51°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 90 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 8.9 hours of daylight.
It scores 1.7/10 here, 12th of 12 months, against 8/10 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 6.3 points higher here — enough to change the trip.
December in Saint-Malo — the hardest end of the year
Hardest · 2.2/10Expect 7°C (45°F) in December. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 61 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 8.1 hours of daylight to work around it.
That is 2.2/10 on the same scale — 10th of 12 months, versus 8/10 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 Saint-Malo — 5.8 points higher on the same scale.
