Climatch

Rotterdam vs Portsmouth, United Kingdom Climate

98%match

On climate, Portsmouth is a 98% match for Rotterdam. Compared with Rotterdam, Portsmouth has the same summer highs and less rain in summer.

Rotterdam gets 36 in (916 mm) of rain a year and Portsmouth 33 in (844 mm). Rotterdam's warmest month is August, at 73°F (23°C); Portsmouth's is July, at 72°F (22°C).

JanFebMarAprMayJunJulAugSepOctNovDecJFMAMJJASOND
Rotterdam
JanFebMarAprMayJunJulAugSepOctNovDecJFMAMJJASOND
Portsmouth

Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.

Month by month

Highs and lows (°F)

RotterdamPortsmouthsolid = high, dashed = low

20°40°60°80°JFMAMJJASONDRotterdam Jan: 44°Rotterdam Feb: 45°Rotterdam Mar: 51°Rotterdam Apr: 58°Rotterdam May: 65°Rotterdam Jun: 69°Rotterdam Jul: 73°Rotterdam Aug: 73°Rotterdam Sep: 67°Rotterdam Oct: 59°Rotterdam Nov: 51°Rotterdam Dec: 45°Rotterdam Jan: 35°Rotterdam Feb: 35°Rotterdam Mar: 38°Rotterdam Apr: 41°Rotterdam May: 47°Rotterdam Jun: 52°Rotterdam Jul: 56°Rotterdam Aug: 56°Rotterdam Sep: 52°Rotterdam Oct: 46°Rotterdam Nov: 41°Rotterdam Dec: 36°Portsmouth Jan: 48°Portsmouth Feb: 48°Portsmouth Mar: 51°Portsmouth Apr: 57°Portsmouth May: 63°Portsmouth Jun: 68°Portsmouth Jul: 72°Portsmouth Aug: 71°Portsmouth Sep: 67°Portsmouth Oct: 60°Portsmouth Nov: 53°Portsmouth Dec: 49°Portsmouth Jan: 38°Portsmouth Feb: 37°Portsmouth Mar: 40°Portsmouth Apr: 43°Portsmouth May: 48°Portsmouth Jun: 53°Portsmouth Jul: 57°Portsmouth Aug: 57°Portsmouth Sep: 53°Portsmouth Oct: 48°Portsmouth Nov: 42°Portsmouth Dec: 39°

Rain (in per month)

RotterdamPortsmouth

0246JFMAMJJASONDRotterdam Jan: 2.9Rotterdam Feb: 2.6Rotterdam Mar: 2.4Rotterdam Apr: 1.7Rotterdam May: 2.0Rotterdam Jun: 2.8Rotterdam Jul: 3.6Rotterdam Aug: 3.4Rotterdam Sep: 3.4Rotterdam Oct: 3.9Rotterdam Nov: 3.6Rotterdam Dec: 3.7Portsmouth Jan: 3.5Portsmouth Feb: 2.5Portsmouth Mar: 2.2Portsmouth Apr: 2.0Portsmouth May: 1.9Portsmouth Jun: 2.2Portsmouth Jul: 2.1Portsmouth Aug: 2.3Portsmouth Sep: 2.5Portsmouth Oct: 4.0Portsmouth Nov: 4.2Portsmouth Dec: 3.8

Monthly averages

Average monthly highs, lows and rain in Rotterdam and Portsmouth
MonthHighLowRain
RotterdamPortsmouthRotterdamPortsmouthRotterdamPortsmouth
Jan44°F(7°C)47°F(9°C)35°F(2°C)38°F(3°C)2.9 in(74 mm)3.5 in(90 mm)
Feb45°F(7°C)47°F(9°C)35°F(2°C)37°F(3°C)2.6 in(66 mm)2.5 in(63 mm)
Mar51°F(10°C)51°F(11°C)38°F(3°C)40°F(4°C)2.4 in(61 mm)2.2 in(57 mm)
Apr58°F(15°C)57°F(14°C)41°F(5°C)43°F(6°C)1.7 in(44 mm)2.0 in(52 mm)
May65°F(18°C)63°F(17°C)47°F(8°C)47°F(9°C)2.0 in(52 mm)1.9 in(47 mm)
Jun69°F(21°C)68°F(20°C)52°F(11°C)53°F(12°C)2.8 in(72 mm)2.2 in(55 mm)
Jul73°F(23°C)72°F(22°C)56°F(14°C)56°F(14°C)3.6 in(91 mm)2.1 in(53 mm)
Aug73°F(23°C)71°F(22°C)56°F(13°C)56°F(14°C)3.4 in(86 mm)2.3 in(59 mm)
Sep67°F(20°C)67°F(19°C)52°F(11°C)53°F(12°C)3.3 in(85 mm)2.5 in(63 mm)
Oct59°F(15°C)60°F(16°C)46°F(8°C)48°F(9°C)3.9 in(99 mm)4.0 in(102 mm)
Nov51°F(11°C)53°F(12°C)40°F(5°C)42°F(6°C)3.6 in(92 mm)4.2 in(107 mm)
Dec45°F(7°C)49°F(9°C)36°F(2°C)39°F(4°C)3.7 in(94 mm)3.8 in(96 mm)

1991–2020 averages, by calendar month.

More comparisons

Places like Rotterdam →Places like Portsmouth →