Royal Institution of South Wales

Museum Learned society and museum promoting science in Wales

The Royal Institution of South Wales in Swansea maintains local collections and public programmes; visitors attend lectures, consult regional archives, and view exhibitions on South Wales history.

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Royal Institution of South Wales
51.6179, -3.9381

Best Time to Visit Royal Institution of South Wales #

Weather & Climate near Royal Institution of South Wales #

Climate

Temperate climate with mild summers (peaking in July) and cold winters (coldest in February). Temperatures range from 3°C to 21°C. Abundant rainfall (1064 mm/year), wettest in November.

Best Time to Visit
JulyMayJune
Temperature & Rainfall
Temperature Range
27°
Warmest Month
-5°
Coldest Month
Monthly Conditions

January

January is cold with highs of 8°C and lows of 3°C. Significant rainfall (112 mm), mostly overcast skies, and breezy conditions.

40 Poor

Comfort

Feels Like Cold
C
Temperature
91%
Humidity
Very Humid

Weather

112 mm
Rainfall
6.1 m/s
Wind
Breezy
0.1
UV Index
Low
8.2h daylight

February

February is the coolest month with highs of 8°C and lows of 3°C. Moderate rainfall (78 mm) and mostly overcast skies.

44 Poor

Comfort

Feels Like Cold
C
Temperature
90%
Humidity
Very Humid

Weather

78 mm
Rainfall
5.7 m/s
Wind
Light Breeze
0.1
UV Index
Low
9.8h daylight

March

March is cold with highs of 10°C and lows of 4°C. Regular rainfall (84 mm) and mostly overcast skies.

52 Acceptable

Comfort

Feels Like Cold
C
Temperature
10°
88%
Humidity
Very Humid

Weather

84 mm
Rainfall
5.6 m/s
Wind
Light Breeze
0.4
UV Index
Low
11.7h daylight

April

April is cold with highs of 13°C and lows of 5°C. Moderate rainfall (64 mm) and mostly overcast skies.

54 Acceptable

Comfort

Feels Like Cold
C
Temperature
13°
85%
Humidity
Very Humid

Weather

64 mm
Rainfall
5.0 m/s
Wind
Light Breeze
0.8
UV Index
Moderate
13.7h daylight

May

May is cool with highs of 16°C and lows of 8°C. Moderate rainfall (63 mm) and mostly overcast skies.

64 Good

Comfort

12°
Feels Like Cool
12°C
Temperature
16°
83%
Humidity
Very Humid

Weather

63 mm
Rainfall
4.8 m/s
Wind
Light Breeze
1.1
UV Index
High
15.4h daylight

June

June is cool with highs of 19°C and lows of 11°C. Moderate rainfall (69 mm) and mostly overcast skies.

64 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 19°
84%
Humidity
Very Humid

Weather

69 mm
Rainfall
4.4 m/s
Wind
Light Breeze
1.4
UV Index
High
16.3h daylight

July

July is cool with highs of 21°C and lows of 13°C. Moderate rainfall (68 mm) and mostly overcast skies.

66 Good

Comfort

17°
Feels Like Cool
17°C
Temperature
13° 21°
84%
Humidity
Very Humid

Weather

68 mm
Rainfall
4.4 m/s
Wind
Light Breeze
1.3
UV Index
High
15.9h daylight

August

August is cool with highs of 20°C and lows of 13°C. Regular rainfall (85 mm) and mostly overcast skies.

64 Good

Comfort

17°
Feels Like Cool
17°C
Temperature
13° 21°
85%
Humidity
Very Humid

Weather

85 mm
Rainfall
4.4 m/s
Wind
Light Breeze
1.0
UV Index
High
14.4h daylight

September

September is cool with highs of 18°C and lows of 11°C. Regular rainfall (93 mm) and mostly overcast skies.

62 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
11° 18°
85%
Humidity
Very Humid

Weather

93 mm
Rainfall
4.8 m/s
Wind
Light Breeze
0.7
UV Index
Moderate
12.5h daylight

October

October is cool with highs of 14°C and lows of 9°C. Significant rainfall (110 mm) and mostly overcast skies.

52 Acceptable

Comfort

12°
Feels Like Cool
12°C
Temperature
15°
87%
Humidity
Very Humid

Weather

110 mm
Rainfall
5.4 m/s
Wind
Light Breeze
0.3
UV Index
Low
10.5h daylight

November

November is cold with highs of 11°C and lows of 6°C. The wettest month with heavy rain (122 mm) and mostly overcast skies.

50 Acceptable

Comfort

Feels Like Cold
C
Temperature
11°
89%
Humidity
Very Humid

Weather

122 mm
Rainfall
5.5 m/s
Wind
Light Breeze
0.1
UV Index
Low
8.7h daylight

December

December is cold with highs of 9°C and lows of 4°C. Significant rainfall (116 mm) and mostly overcast skies.

50 Acceptable

Comfort

Feels Like Cold
C
Temperature
91%
Humidity
Very Humid

Weather

116 mm
Rainfall
5.7 m/s
Wind
Light Breeze
0.0
UV Index
Low
7.7h daylight

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