For more information on the origin of the data see “Taming · the Truffle” by Ian
Hall, Alessandra Zambonelli & Gordon Brown and Hall, Frith & Haslam 2008.
Painted bolete**
Saffron milk cap**
Porcini**
bianchetto
Burgundy
Italian white
Périgord black
A rough climatic comparison of various centres adjacent to or with similar climates to Périgord black truffle (Tuber melanosporum), Italian white truffle (T. magnatum), Burgundy truffle (T. aestivum), bianchetto truffle (T. borchii), porcini (Boletus edulis sensu lato) and saffron milk cap (Lactarius deliciosus) producing areas © Assembled by Ian R. Hall & Allison Frith and with thanks to Wayne Haslam of the Australian Truffle Growers Association. For more information on the origin of the data see “Taming the Truffle” by Ian Hall, Alessandra Zambonelli & Gordon Brown and Hall, Frith & Haslam 2008. ** Data incomplete.
Accumulated degree days (>10°C)
Mean daily air temperature in summer July/January (°C)
Mean daily air temperature in winter January/July (°C)
Annual sunshine hours
"Summer" sunshine hours (April-Sept./ Sept.- April)
Latitude ( ° : ´)
Elevation (m)
Annual rainfall (mm)
Sweden Gotland
57 : 40
51
514
570
15.9
-1.1
1579
1148
Denmark Copenhagen (Schleswig*)
55 : 36
5
525
671
16.4
0.1
1597
1197*
UK Edinburgh Durham Sheffield Anglesey (Valley) Lyneham (Wiltshire) Wye (Kent) Yeovilton Eastbourne
56 : 00 54 : 40 53 : 20 53 : 25 51 : 30 51 : 50 51 : 00 50 : 30
35 102 131 10 145 56 20 7
668 643 825 830 719 728 725 790
432 489 685 662 676 756 751 895
14.5 15.2 16.6 15.7 16.6 16.8 16.8 17.2
3.2 3.4 4.0 5.8 3.9 4.3 4.8 5.7
1286 1375 1381 1621 1565 1603 1523 1849
888 932 1001 1152 1102 1123 1078 1309
France Caen Bourges Dijon Clermont Ferrand Lyon Orange (Marseille*) Toulouse
49 : 18 47 : 06 47 : 18 45 : 50 45 : 42 44 : 08 43 : 36
67 166 227 329 201 60 153
711 723 732 563 825 810 655
852 1115 1137 1102 1312 1562 1513
17.0 19.2 19.7 19.2 20.7 22.0 21.3
4.5 3.3 1.6 2.7 2.6 4.0 5.4
1762 1827 1831 1990 1975 2837 2051
1191 1279 1307 1317 1411 1814 1350
Switzerland Lugano, Ticino
46 : 00
273
1545
1421
21.3
3.1
2028
1245
Croatia Istria (Rijeka, *Trieste)
45 : 13
85
1045*
1837
23.0
5.0
2388
1405*
Italy Cuneo (*Torino) Bologna Rimini Arezzo Perugia Campobasso
44 : 55 44 : 30 44 : 00 43 : 28 43 : 06 41 : 36
384 84 13 249 205 807
948 589 702 755 816 628
1379 2009 1746 1349 1622 1436
22.0 24.6 22.6 21.0 22.4 21.5
3.5 2.4 3.3 4.0 4.4 3.8
1989* 2064 2061 2113
1246* 1458 1457 1365
Spain Pamplona, Navarra Perarrua, Huesca (*Zaragoza) Arroyo Cerezo, Valencia Cuenca, Cuenca (*Madrid) Santiago de la Espada, (*Albacete)
43 : 48 42 : 16 40 : 07 40 : 05 38 : 20
449 517 1344 1001 1328
963 644 552 569 673
1342 1479 749 1352 1547
20.0 21.7 18.9 21.7 23.2
4.5 2.9 3.1 3.1 3.3
2638* 2678* 2705*
1689* 1714* 1713*
North America Parksville, Vancouver Island (Nanaimo*) Chapel Hill, N.C. (Washington*) Ukiah, California Placerville, California
49 : 03 36 : 10 39 : 20 38 : 43
28 190 189 570
1078 1054 943 979
924 2341 2341 1832
17.9 25.5 23.0 23.5
2.7 4.0 8.5 6.7
1903* 2173* ≈ 3000 ≈ 3400
1389* 1545*
Australia Warwick, QLD Stanthorpe, QLD Pallamana, SA Goulbourn, NSW Canberra, ACT Armidale, NSW Manjimup, WA Cooma, NSW Orange, NSW Healesville, VIC Colac, VIC Launceston, TAS Deloraine, TAS
28 : 22 28 : 66 35 : 03 34 : 75 41 : 54 30 : 52 34 : 25 36 : 23 33 : 38 37 : 68 38 : 34 41 : 54 41 : 52
477 787 76 670 578 980 287 812 948 131 134 166 237
692 767 345 642 617 792 1011 502 886 1021 731 677 950
2729 2034 1909 1546 1476 1612 1811 1292 1168 1438 1293 891 568
23.6 21.5 21.0 20.6 20.5 20.3 20.0 19.3 19.0 18.6 18.2 16.7 14.5
10.4 7.9 9.5 6.5 5.6 6.3 10.4 4.5 5.0 8.2 8.2 6.6 5.7
≈ 2920 ≈ 2920 ≈ 2920 ≈ 2555 ≈ 2920 ≈ 2920 ≈ 2555 ≈ 2555 ≈ 2920 ≈ 2190 ≈ 2190 ≈ 2555 ≈ 2555
1582 1582 1703 1490 1612 1582 1582 1582 1764 1490 1369 1521 1460
New Zealand Kaitaia (* Kaitaia Airport) Te Puke (*Tauranga) Opotiki Gisborne Te Kuiti Taumarunui Waipukurau Paraparaumu Nelson Waipara (*Christchurch) West Melton (Christchurch Airport) Ashburton Oamaru Shag Point, Waianakarua (Palmerston) Naseby (*Waipiata)
35 : 07 38 : 00 38 : 00 38 : 40 38 : 20 38 : 55 40 : 00 40 : 55 41 : 15 43 : 05 43 : 29 43 : 54 44 : 58 45 : 29 45 : 01
8 91 6 9 61 171 137 7 10 64 30 101 30 21 610
1337 1754 1400 1058 1531 1443 847 1054 986 729 648 757 537 631 611
2154 ≈ 1400 1493 1430 1377 1292 1089 1167 1038 1049 974 896 800 573 337
19.7 18.7 18.5 18.3 18.3 18.3 17.6 17.1 17.2 17.5 17.0 16.5 15.1 14.8 13.5
11.7 9.3 9.2 9.0 8.2 7.9 7.1 8.3 6.5 6.5 5.6 5.2 5.5 5.4 1.6
2113* 2277* 2169 2172 1749 1704 1992 2043 2397 1999* 1999 1892 1792 1784 2046*
1206* 1320* 1227 1283 1061 1079 1166 1227 1377 1175* 1175 1092 1037 1034 1223*
© Compilation copyright Truffles & Mushrooms (Consulting) Ltd
