Kleine-Brogel is a weather station located 64 m above sea level, 4 km from Peer. Its records go back to 1954: 60 years of temperature are available up to 2013, along with rainfall and a comparison with two reference normals. Closed series: the records of this station end in 2013. Over 1991–2020 the annual mean temperature there is 10.7 °C, much higher than over 1961–1990 (9.3 °C): a difference of 1.4 °C. The warmest year of the series is 1994 (11.5 °C) and the coldest 1962 (8.1 °C). The last complete year, 2013, ranks 22 out of 60, from warmest to coldest. Over 1961–2013, the annual mean temperature changes by +0.43 °C per decade. The station ranks 1 out of 12 stations, from the fastest rise to the slowest.
Annual mean temperature since 1954
The first ten years of the series (1954–1963) average 9.2 °C; the last ten (2004–2013) average 10.7 °C, a difference of +1.5 °C. Of the ten warmest years in the series, 7 fall after 1999. The warmest is 1994 (11.5 °C). The ten-year running mean peaks at 11.0 °C (2008) and bottoms out at 9.0 °C (1987).
Monthly normals: 1961–1990 against 1991–2020
The table compares, month by month, the mean temperature and the rainfall total of two thirty-year reference periods. The difference column shows what the recent period changes compared with the earlier one.
| Month | Temp. 1961–1990 | Temp. 1991–2020 | Difference | Rain 1961–1990 | Rain 1991–2020 | Difference |
|---|---|---|---|---|---|---|
| January | 1.8 °C | 3.2 °C | +1.4 °C | – | – | – |
| February | 2.6 °C | 3.5 °C | +0.9 °C | – | – | – |
| March | 5.0 °C | 6.6 °C | +1.6 °C | – | – | – |
| April | 8.0 °C | 10.2 °C | +2.2 °C | – | – | – |
| May | 12.4 °C | 14.2 °C | +1.8 °C | – | – | – |
| June | 15.3 °C | 16.7 °C | +1.4 °C | – | – | – |
| July | 16.9 °C | 19.0 °C | +2.1 °C | – | – | – |
| August | 16.8 °C | 18.5 °C | +1.7 °C | – | – | – |
| September | 14.0 °C | 15.1 °C | +1.1 °C | – | – | – |
| October | 10.4 °C | 11.0 °C | +0.6 °C | – | – | – |
| November | 5.6 °C | 6.7 °C | +1.1 °C | – | – | – |
| December | 2.8 °C | 3.5 °C | +0.7 °C | – | – | – |
The largest temperature change is in April (+2.2 °C) and the smallest in October (+0.6 °C); over the year the mean difference is +1.4 °C, and 12 months out of twelve are warmer than before.
Records at Kleine-Brogel
- Warmest year: 11.5 °C, in 1994
- Coldest year: 8.1 °C, in 1962
- Warmest month: 22.9 °C, in July 2006
- Coldest month: −7.4 °C, in February 1956
3.4 °C separate the warmest year of the series from the coldest. Daily records are not part of the dataset for this station: only annual and monthly extremes are shown.
Temperature trend over 1961–2013
The regression line of annual mean temperature changes by +0.43 °C per decade between 1961 and 2013, about +2.2 °C over the whole period. That is faster than the median of the 12 stations (+0.36 °C per decade), by 0.07 °C per decade: the station ranks 1 out of 12.
Data source and licence
Data source: IRM/KMI via NOAA NCEI (dataset “GHCN-Daily + GHCN-Monthly v4 (qcu)”), licence Public domain (NOAA NCEI); original data: IRM/KMI. Last updated: 29 October 2026.
The data for Kleine-Brogel are shown as the source publishes them; this site does not correct them. A year is kept only if at least eleven months of measurements are available, and a normal is computed only with at least twenty years of data out of its thirty. Temperatures are rounded to 0.1 °C and rainfall to the millimetre. The station is one of 12 stations in Belgium: the overview page lets you compare them.
Frequently asked questions
What is the annual mean temperature at Kleine-Brogel?
Over 1991–2020, the annual mean temperature at Kleine-Brogel is 10.7 °C. It was 9.3 °C over 1961–1990, a difference of +1.4 °C.
What is the warmest year ever measured at Kleine-Brogel?
Since records began in 1954, the warmest year at Kleine-Brogel is 1994, at 11.5 °C on average. The coldest is 1962 (8.1 °C).
Is the climate at Kleine-Brogel getting warmer?
Yes: at Kleine-Brogel, the annual mean temperature rises by 0.43 °C per decade between 1961 and 2013, +2.2 °C in total. 7 of the 10 warmest years in the series fall after 1999.
Towns near this station
Neighbouring stations