Average Rainfall for France in May

The tables below give monthly averages for rainfall during May at cities in France. Each place has a total for how many days of wet weather it usually gets this month and for the normal amount of precipitation.

There's a separate table for each corner of the country: Southeast, Southwest, Northeast and Northwest, plus Central France.

The calculation of days only includes the days when precipitation totalled at least one millimetre (0.04 inches). The month's total rainfall is an average of weather data collected during 1991 to 2020.

Southeastern France

Average monthly precipitation in May
Days	Place	Inches	Millimetres
5	Ajaccio, Corsica	2.0	50
5	Bastia, Corsica	2.1	54
11	Bourg-Saint-Maurice	3.3	83
5	Cannes	2.0	52
8	Carcassonne	2.5	63
14	Chastreix	6.1	154
10	Grenoble	3.6	91
10	Lyon	3.3	83
11	Mont Aigoual	6.2	158
7	Montelimar	3.1	78
5	Montpellier	1.7	44
5	Nice	1.6	40
6	Perpignan	1.8	46
4	Toulon	1.6	40

Southwestern France

May averages for total rainfall
Days	Place	Inches	Millimetres
13	Biarritz	4.6	116
71	Bordeaux	2.8	71
12	Pau	4.1	104
13	Tarbes	4.4	111
10	Toulouse	2.9	75

Central France

Average amount of rain in May
Days	Place	Inches	Millimetres
9	Clermont-Ferrand	2.6	67
10	Dijon	3.0	76
9	La Rochelle	2.0	51
11	Limoges	3.6	93
10	Orléans	2.5	63
9	Paris	2.7	69
10	Poitiers	2.5	64
9	Tours	2.3	58

Northeastern France

Precipitation totals for May
Days	Place	Inches	Millimetres
13	Besançon	4.2	108
9	Calais	2.0	50
11	Colmar	2.5	65
10	Lille	2.4	62
10	Metz	2.2	57
10	Nancy	2.7	68
11	Strasbourg	3.0	77
10	Troyes	2.6	65
10	Angers	2.3	58

Northwestern France

Total precipitation during May
Days	Place	Inches	Millimetres
10	Brest	2.9	75
10	Caen	2.3	59
10	Le Mans	2.5	63
10	Lorient	2.6	66
10	Nantes	2.4	61
9	Rennes	2.3	58
11	Rouen	2.6	67
9	Saint-Brieuc	2.2	56