MONTHLY CLIMATOLOGICAL SUMMARY for Dec 2025


NAME: Royston, Hertfordshire                  
ELEV: 80 meters    LAT: 52-03.15 N    LONG: 000-01.35 W


                   TEMPERATURE (C), RAIN (mm), WIND SPEED (mph)

                                         HEAT   COOL         AVG
      MEAN                               DEG    DEG          WIND                   DOM
DAY   TEMP   HIGH   TIME    LOW   TIME   DAYS   DAYS   RAIN  SPEED   HIGH   TIME    DIR
---------------------------------------------------------------------------------------
 01    9.6   11.2  18:30    5.1  00:00    8.7    0.0    4.4    6.1   29.0  21:29    191
 02    8.4   11.2  13:29    6.6  23:59    9.9    0.0    0.8    2.5   14.0  00:52    191
 03    5.8    9.0  13:30    3.3  08:03   12.6    0.0    0.2    1.7   11.0  22:06    170
 04    6.5    7.7  09:30    3.9  23:54   11.9    0.0    6.8    4.9   18.0  10:46    175
 05    4.9    8.8  23:57    1.1  07:29   13.4    0.0    5.2    4.3   26.0  19:58    154
 06    9.1    9.2  00:30    8.8  00:00    9.3    0.0    0.0    3.9   11.0  00:09    186
 07
 08
 09
 10
 11
 12
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 16
 17
 18
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 25
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 27
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 29
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 31
---------------------------------------------------------------------------------------
       7.1   11.2     02    1.1     05   65.7    0.0   17.4    3.9   29.0     01    178