A cold month with many rain days, thugh not many frosts - due to cloudiness mainly.
The rain total was not especially high  (e.g. April 2012 had 163mm!) but dry days were few for what is usually the driest month of the year.

Average temperature = 5.6°C; diff from climate av: -1.9°C

Average humidity = 85%
Average dewpoint = 3.2°C
Average barometer = 1011.1 mb
Average windspeed = 8.1 mph
Average gustspeed = 11.1 mph
Average direction = 294° (WNW)
Rainfall for month = 70.2 mm (+22.6 mm)
Rainfall for year = 344.6 mm (+51 mm)
Maximum rain per minute = 0.4 mm on day 29 at time 22:37
Maximum temperature = 16.2°C on day 21 at time 13:11
Minimum temperature = -2.1°C on day 28 at time 04:21
Maximum humidity = 98% on day 14 at time 16:11
Minimum humidity = 38% on day 21 at time 09:34
Maximum dewpoint = 9.1°C on day 04 at time 13:36
Minimum dewpoint = -7.7°C on day 21 at time 05:38
Maximum pressure = 1031.8 mb on day 20 at time 07:53
Minimum pressure = 996.0 mb on day 06 at time 17:13
Maximum windspeed = 35.7 mph from 360°( N ) on day 25 at time 15:22
Maximum gust speed = 46.0 mph from 338°(NNW) on day 25 at time 22:20
Maximum heat index = 16.2°C on day 21 at time 13:11
Avg daily max temp :9.3°C
Avg daily min temp :2.5°C
Growing degrees days :0.0 GDD
Total windrun = 5208.1miles
Frost days= 2
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Daily rain totals
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03.0 mm on day 1
03.4 mm on day 2
00.4 mm on day 3
02.4 mm on day 4
02.4 mm on day 5
02.2 mm on day 6
01.2 mm on day 7
03.6 mm on day 9
01.4 mm on day 10
00.2 mm on day 11
06.6 mm on day 12
02.6 mm on day 13
13.8 mm on day 15
06.2 mm on day 16
00.8 mm on day 23
00.8 mm on day 24
00.2 mm on day 25
06.6 mm on day 26
00.2 mm on day 27
06.4 mm on day 28
05.6 mm on day 29

Summary for April 2016

Temperature (°C):
Mean (1 minute)  8.7
Mean (min+max)   9.3
Mean Minimum     3.9
Mean Maximum     14.6
Minimum          0.0 day 02
Maximum          21.7 day 13
Highest Minimum  7.8 day 14
Lowest Maximum   9.4 day 16
Air frosts       0

Rainfall (mm):
Total for month  61.5
Wettest day      11.1 day 11
High rain rate   14.4 day 11
Rain days        16
Dry days         14

Wind (km/h):
Highest Gust     45 day 06
Average Speed    6
Wind Run         2977.9 km
Gale days        0

Pressure (hPa):
Maximum          1033.6 day 12
Minimum          998.7 day 02

Days with snow falling         0
Days with snow lying at 0900   0

Total hours of sunshine        0.0